One of my personal projects.
Just trying something new ☺

I have made this RGB LED tie. One of my friends and me had the idea at 2 am and now it has come to reality :D

It runs on an Arduino nano, 8 rgb leds and is powered by a 9V battery.

I have prom tomorrow ('abschlussball' in german) I probably won't wear it during the official part but definitely at the party after prom.

The current animation is a bit too fast (I was listening to hardstyle while coding it) for the music they will play tomorrow at the party so I still have to make a slower one.

Tell me what you think about it :P

Stress testing my new cnc, say Hello World roundy

Just did some initial programming of my Arduino to run the alcohol sensor.. seems to be working well. So, looks like it's time for testing 🤤 cheers!

Since I already got all the stuff working for the devrant client on Arduino, why not port it in other platforms ?
So here it is DevRant 3DS client

...arduino

I've build remote-controlled, riding flamethrower based on deodorant and ESP8266 (Arduino):

!rant
I once designed my own Arduino IDE compatible microcontroller, and even had the card manufactured.

Sadly I've yet to actually use it for anything, but hey, achievement unlocked, right?

Biggest accomplishment so far this school year (it's been 2 days)

Just made a laser sentry tower for my cats. Next up is adding some tracking so it can play with them by itself while I'm at work and after that I'm adding a Wi-Fi module and camera so that i can also play with them while I'm at work... I couldn't resist using a mouse to top it off 😂

My first arduino project... i'm in love with these toys 😍

this made my day!
:D

That personal Arduino project I made for my own use, is now going to the Paralympics in Rio with a potential medal winner.

Yay my christmas present has arrived 😁

1024 points of soldering !!

Wasn't expecting that when I began, but it's quite interesting and the result will look amazing ^^
I'm making a LED matrix from 0, controlled by an Arduino, it will look really good when it's finished, I plan to use it to display notifications, clock, sound spectrum etc...
What do you think of it ? 😇

HOLY FUCK I DID IT
I wrote an Arduino code for my friend. I didn't have any board at the moment to test it, but he flashed it the next day, and EVERYTHING FUCKING WORKED!!! AT THE FIRST TIME!!!

Adding back light for my arduino drawer...

Hobby time...

Got annoyed by the super bright default theme of the Arduino IDE. Decided to make a dark theme for it! Turned out pretty well!

Unfortunately there is no official way of themeing right now, therefore I had to edit some files in the program's directory, which was a pain in the ass to do... (and kinda scary)

I tried to adapt the Material Theme in Sublime Text btw.

Here's a comparison:

Got some new toys today! A Raspberry Pi 3 and a Arduino starter pack. Any suggestions on what I should do with it?

Want to finish my little friend for a long time now. He can dance Michael Jackson's moonwalk for now.
Idea was to use the sonar sensor to switch dancing styles but he is still blind :(

It's time for another teacher story. So grab a cup of tea and listen.

We were casually talking about Arduino programming because he told me he teaches this in another class.
Teacher: it's so sad that i can't use my java code on the Arduino. I mean the Arduino uses java so there shouldn't be a problem.
Me: *internal* HOLD THE FUCK ON
Me: you know that the Arduino uses c and not java, do you?
Teacher: but the Arduino can do java commands! How do you explain this!?
Me: because java uses the c-syntax and it's more of a coincidence that they're named the same way?
Teacher: huh. Ok. But C# doesn't use it, am i right?

How can someone this dumb be a programming teacher 🤦

Android app controlled robot built in 2 days. App was developed from scratch. coolest project.

My first rant, so pls don't blame me?. 🙈. No just kidding, but now the Story. A friend told me that he want to start hacking. But I know that he can't prog or use a PC. But I asked: "Can u program?" He: Yeah, of course!?". *Me wondering as fuck* Me: Where do u learned that?" He: "Watched YouTube Videos!" Me: "OK?, and what language du u want to use, and IDE?" He answered: "Language Arduino, and IDE what is that?". *Me facepalming and asking myself what dafuq was he watching and why is he trying to do things like that*

Alrighty then, so you can do this and it'll still work...

Like, I suppose technically speaking it makes sense....

Finally!
Quick info panel with Arduino Uno + RPi
:D

A client asked me if I had some software to make an .exe file run on Android.

So I replied with:
Yes, you need to run the RNN through a HM05 then cross-compile the output with a MOSFET.
You might run into an arduino javascript, but you can bypass that with an stackunderflow or XSS

Arduino, all the way...
I have a burn out for 3 years and a few months ago I found arduino.
Burned lots of money in components in the first months because I got so addicted.
No regrets, helped me a lot, been learning a lot and keeps me focused.

I was working on an Arduino counter (an inside joke) and I somehow sent 12V to an IC I was using.

🔥🎆🌬💨
it burned out.

I'll leave now

I have reached the point where my main project with my arduino collection is building a sex robot and i dont even feel the least bit ashamed about it.

1 wrong connection in you ECG IoT project and your app declares you dead ! 😂

This is my desk right now, anyone else who really enjoys fiddling with arduino / rpi electronics stuff?

Like making a remote for the projectors in school or using an Ethernet switch and a raspberry pi to create a WiFi network :P

!rant
Just finished my CNC.
Lots of problems but it works... More or less.
Need better steppers and other drivers. But I did it, learned a lot, did lots of mistakes, and don't get me started on debugging hardware...
Z axis unfortunaly can't even pull the motor up lol.

I was checking an Arduino sketch I wrote in a hurry 2 years ago. I want to cry for the number of shit I've found there 😓
Picture + I had put as int variables that should have been boolean. I needed them for 0 and 1. As well as with no comments and no explicative names.

For my final project as a first year computer engineer, I have to implement a FAT32 file system using a bare metal c++ compiler that will need to work on arduino uno/due....

I've only been in the computer engineering space for 2 months.
Not sure I can do it, but I'm going to try my best!
Wish me luck

Fucking GARBAGE

Sitting in the hall, quietly listening to an Arduino tutorial and I bring up terminal cuz I didn’t have the IDE and unnamed teacher starts yelling at me for hacking?!? Fuck ignorant teachers.

Finnaly....
Look who's back.
CNC Machine V3.0

I've got an Arduino now and I was building lights the last weeks to understand the coding. But when it comes to use full stuff I could do my mind is empty. Do you have any suggestions for me?
.
.
I know there have to be FUCKs in a good rant. So I will miss use the tags...

Just thought I'd share my current project: Taking an old ISA sound card I got off eBay and wiring it up to an Arduino to control its OPL3 synth from a MIDI keyboard. I have it mostly working now.

No intention to play audio samples, so I've not bothered with any of the DMA stuff - just MIDI (MPU-401 UART) and OPL3.

It has involved learning the pinout of the ISA bus connectors, figuring out which ones are actually used for this card, ignoring the standards a little (hello, amplifier chip that is wired up to the +12V line but which still happily works at +5V...)

Most of the wires going to it are for each bit of the 16-bit address and 8-bit data. Using a couple of shift registers for the address, and a universal shift register for the data. Wrote some fairly primitive ISA bus read/write code, but it was really slow. Eventually found out about SPI and re-wrote the code to use that and it became very fast. Had trouble with some timings, fixed those.

The card is an ISA Plug and Play card, meaning before I could use it I had to tell it what resources to use. Linux driver code and some reverse-engineering of the official Windows/DOS drivers got me past this stage.

Wired up IRQ 5 to an Arduino interrupt to deal with incoming MIDI data, with a routine that buffers it. Ran into trouble with the interrupt happening during I/O and needing to do some I/O inside the handler and had to set a flag to decide whether to disable/re-enable interrupts during I/O.

It looks like total chaos, but the various wires going across the breadboard are mainly to make it easier to deal with the 16-bit address and 8-bit data lines. The LEDs were initially used to check what addresses/data were being sent, but now only one of them is connected and indicates when the interrupt handler is executing.

There's still a lot to do after that though - MIDI and OPL3 are two completely different things so I had to write some code to manage the different "channels" of the OPL3 chip. I have it playing multiple notes at the same time but need to make it able to control the various settings over MIDI. Eventually I might add some physical controls to it and get a PCB made.

The fun part is, I only vaguely know what I'm doing with the electronics side of this. I didn't know what a "shift register" was before this project, nor anything about the workings of the ISA bus. I knew a bit about MIDI (both the protocol and generally how the MPU-401 UART works) along with the operation of a sound card from a driver/software perspective, but everything else is pretty new to me.

As a useful little extra, I made some "fake" components that I can build the software against on a PC, to run some tests before uploading it to the Arduino (mostly just prints out the addresses it is going to try and write to).

Hello World!

Try hardware too. Arduino is a fantastic world.

Arduino is just cool !

I've spent three days trying to upload some code to my ESP8266 and it failed every time. Now I just plugged the Arduino at my Desktop and it works. Notebook USB port does not provide enough current I think.

My fiance is also a programmer. He doesn't say he loves me often, but than he does it looks/sounds like ''I [less than 3] you'' 🙃
Or he will prefers to ask me what am I cooking for dinner by using arduino & a display 🙄

! Rant
Today's project, turning my diy convencional milling machine into automátic.
Status: it works.
Features: motors are to slow.
Solution: need better motors.

Has anyone here ever used tinkercad.com? (for simulating Arduino setups, or other circuits)

Where can I find community content for circuits? They make it so easy for their 3D models.. But not for their circuits..

Also, can someone tutor me in the basics of circuits over telegram?

(for those of you whom have never heard of it, I attached an image ^~^)

Arduino project
RC car with Bluetooth controller

!rant
Four hours of work.
You think you write spaghetti code? I write spaghetti wires.
H-Bridge dual motor tester for stepper motors.
Speed is controled by pot.
H-bride are L293D.
My third board, and the first that won't go to the trash.

Question. With the baterry off the motor continues spinning with the 5v from arduino.
My question is, is the L293D suposed to do that? Or do I have a short circuit somewhere that is giving power to the motor? Meaning it can burn the arduino.
Runs a 12v stepper from a CD-Rom driver perfectly at 5v from the arduino and actually starts to act strange when I turn the 12v on. (maby the circuit it's adding 12v + 5v?)

!rant

Went to see my brother today. Before I could say hi, I saw the following:

- Desktop, Windows playing video
- Thinkpad, Linux mint, Arduino IDE
- Arduino board with some sensors
- Coffee
- Complaining about light theme

I've only thought him a bit of C# and SQL. They grow up so fast :')

(Before today, I only knew he was gonna learn Python)

Yesterday I accidentally fried my Arduino Mega with the heat of a thousand suns, but I got a new one!

My resolution for this year:

- learn PHP
- advance at JavaScript and figure out what's so cool about react.js
- be a pro with SQL and learn PostgreSQL
- build couple cool hardware projects with Raspberry Pi and Arduino based on C.

My first Drone
Arduino nano + L293D + hc-06
Objective: learn how to use Bluetooth with Arduino.
V 0.1 (no direction, commands by serial terminal).

I clicked ctrl+n button so much and this just happened
Arduino IDE

God knows how many morons try to brag to me on how they know hardware programming because they own an Arduino, whenever I say I study Electrical Engineering.

Good morning, good day and good weekend.
Sometimes babysitting is worth it Hehehehe.
No projects today, resting day, me, the pool, my nephews and a arduino basic manual.

i really love coding because in C# you write string, and in Arduino String( with a capital s). You mess this up and nothing works.
10/10 would rewrite the whole program again because of this.

Buy an Arduino.

But can it run Crysis?

That moment when you’re asked to shift the entire project from arduino to raspberry pi because your professor likes jazzed up crap.
Arduino so freaking reliable. A gem in a box.
Raspberry Pi is flashy hollow shiz.

Arduino is like Javascript for Microcontrollers

When you order a bezillion tiny things at small prices to avoid toll on one large package, and you have no fucking clue if everything has arrived.

Arduino stuffs, LEDs, resistors, stuffs like that wherever its cheap for those wondering.

3 hours making this beautiful circuit to test stepper motors.
Arduino nano + L293D + pot
Fucking bitch has a short circuit somewhere and can't find it out...
Made the same project in a breadboard in 15 minutes and it's working.
Fuck hardware bugs.
Cutted in the middle of all connections, took out excess solder... Nothing.
Fuck it, moving to the next ideia

Just won a Raspberry Pi + touch screen in an Arduino robot competition. What can I do with this little beauty?

Hey guys.
Arduino + Bluetooth + L293D + car Chacis and 4 DC motors.

Finaly finished my second bot/Drone.
Actually finished it yesterday but had lots of problems with hardware bugs (learned so fucking much in a day).
Tought I fucked two unos with bad soldering... No they are fine, just won't turn on in the circuit that was already working (was fine running the code).
Redone everything from scratch with a arduino uno, it's perfect now.

Funniest part is how I got my hands on a 50€ car kit for almost free... So some Chinese store sended this kit instead of some cheap stuff. Saved another arduino with the chip rack (that one that you can trade the atmega chip), I'll save it to program single chips. Plus a h bridge and lot lot more cool stuff.
Used only the Chacis.
Next: esp8266 and camera... And maby a gun? Would be cool

->buying fake arduino from ebay.
->have to install separate drivers, because the manufacturer uses a cheap usb to serial chip.
-> driver page is all in chineese, only the download button is in english
-> installed the driver(at this point there was no going back)
-> rebooted
-> instand kereal panic
-> fuck_me.png

!rant
I finally did it. Finally had the energy to do... One axis for my CNC lol.
It works perfectly.
But the 28BYJ-48 are so slowwww.

- One Arduino Uno
- Two 28BYJ-48 with Uln2003A controllers (Y is already programmed)
- One joystick.
It's aliveeeee!

New project and new stuff! Seems like a good opening for new year!
Happy New Year guys! 🍻

Hey folks, this is ben.
Just a little story of me and IOT
,for the past few months, i have been working on various projects on Internet of Things and, with the little exposure... I have seen so much goodies that come along, i love the robust and realtime architecture that IOT has, on my platform i use
Arduino, esp8266 and Android, i am able to control my car park, home lights, and my pulse rate using the few components.

At first it was hustle, but now? Am loving it😋😋😋,
If you wish to join me or have a project of the sort..... Just holla me up :bensalcie@gmail.com

I can also teach for free.

A standard device library for Arduino

Weekend project completed today !! (PS : using cloned Arduino only for testing purposes)

I took wk119 to clean my desk and make my wife happy (for a short period of time).

WFH Setup has been rearranged shortly and is not finished. Most of the soldering/Arduino/Pi/drone stuff has been removed and will get a seperate workbench soon.

Lightning is not finished as i plan to reinstall the smart lightstripes again.

But hey , cleaning the desk is enough for this week :-)

Why the fuck does Arduino use C++ macros for min, max, abs, etc. ???????

---
For those who don't know what a macro is, basic example:
#define abs(x) (x > 0 ? x : -(x))
Which looks like a function, but instead abs() will be replaced by the expression and all x will be replaced literally with what you pass to abs
So
abs(i++)
would evaluate to
(i++ > 0 ? i++ : -(i++))
which would call i++ twice
---

I guess I will have to double check every built in function and rewrite it if it's a macro -_-. Not taking any chances. Btw all Arduino functions are in one big file, so now I have to pollute my code with namespaces.
Macros can be great but what the fuck.

Wish me luck! Project Presentation today

Arduino just Rick Roll'd me. Their buzzer example code plays the tune...so I hooked it up to a photosensor and threw it in a cabinet...next time my wife opens the cabinet, the light flooding in will trigger the song. I have a comfy couch 😂

No need of arduino/pi, 100% autonomous.

I wrote an application to demo at a convention coming up. Which feeds tcp data from arduino devices to real time d3 maps via websockets.

Demoing today, and the owner starts talking about a project he saw that which lit up some lights to a device in the room via the internet. In this same meeting he casually mentions he wish he had developers who could do that type of stuff.

The disconnect is massive and soul breaking.

Arduino & ESP-32 without the arduino library.

Good look finding any example code. It's just you and datasheets with fontsize 2.

New Kickstarter project reward in the mail :)
The tau (yata), smaller than I expected! Excited to find a tiny project for this!

! Rant
Today's project...
Target for airsoft.
The prototype bullseye didn't survive the trials but it works. Just need to upgrade to wood.

Doing Arduino in school, well normally i code in java/php.
But its better than the stuff, we usually do here😊

So this is what an Arduino VRAM corruption looks like.

Huh.

Just spend 35 € in two arduino uno, a generic kit and sensor kit. Now must wait a month...
Already thinking on shit to do...

FUCKKKKKK
FUCKKKKKK
everything mounted, was going to connect Z and motor...
And the fucking X stepper isn't working...
The plastic piece that made the steps is overused and can't handle the weight :(

Regarding my last rant: I AM FUCKING DUMB!

When I receive data from the master Arduino, a hardware interrupt runs and oversteps my main loop stuff!

Lesson? NEVER WRITE HARDWARE LATCHES ON THE MAIN LOOP WITH A HARDWARE INTERRUPT WHICH IS MOST OF YOUR FUCKING CODE!!

Thanks guys for the help in the last weeks.
This is what I was so hard trying to print.
Btw... reminder to self, plastic expands. That's why the stepper has duck tape instead of screws lol

making electronic drums with arduino

3 weeks of search, but now, I have a miniUPS with solar and dc input for my raspberry pi Zero with cam.
I have developed a little ble4 iOS app to monitor all voltages and relay states.
All this shit from China, about 50$ except rpi and cam.
What you think?

------------Weeklyrant-------------------------------------
So I bought a smart watch to go with my Samsung Galaxy back when I was 12, and upon inspecting the watchface maker app I came across lua scripting files. This amazed me. Animations, complex math, hexadecimal color system, variables, sensors...
I spent about four months
learning/experimenting with lua until I discovered arduino and C++.

I am now 14 and have been fascinated with robotics and learned java and dos since.

Well, I got 2 mega arduino kits and a raspberry pi over xmas (and no experience with either), plus unemployment, so my goals are learning the hardware side of things this year.

Also, hi devRant.

When you find another student code..... it repeats the same code for the LCD in 340 lines of if ;-)

I'd never imagine that my interests would shift from webapps and servers to embedded devices and measuring 500volts with an arduino....

so I am about to take a full time job for less than 150 dollars a month, with all my skillset being put to use, I'm supposed to teach arduino and web development and be at work at least three times a week including Saturday.

I just want to die, probably

dead people dont stress

!rant
Arduino CNC
Hey guys.
Since I mostly see frameworks to use with G-Code in Arduino CNCs I'm gonna make my own framework, where you don't need to know G-Code and the code is executed by Arduino code.
The code would include a template to define steppers steps and such.
Would include a library to work with different stepper shields.
Would this interest to anyone?

I'll provide a full example with stuff to learn for any amateur working with CNCs or that want to work with one. If you're not interested, thank you for reading, you can stop here.

Ex:
X(10);
Y(-5.5);
XY(6,7.5);
Z(-10);
This framework would only use incremental coordinates and will work for basic forms, drilling and such.

<Tutorial>
Coordinates.
Coordinates can be relative/incremental or absolute.
Lets say you have a square with 10mm, (top coordinates: (X=0,Y=0) to (X=10,Y=10).
think your drawing this square.
First line:
X0, Y0
Absolute: x10,y0
Relative: X+10
Second line:
A: x10,y10
R: Y+10
Third Line (...)
Absolute is a fixed point (coordinate)
Relative is a distance to move (not a coordinate but the distance and direction)
</Tutorial>

So, to cut a square with a TR10 (end mill with radius=5, diameter=10)

<code>
// You don't place + in positive values
// The tool always cut in the direction of the tool rotation, meaning on the left of the material.
Z(10); // Security Distance
XY(-5,0); //Compensate the diameter of the tool in radius
Z(-1); // Z=0 is the top of the block to mill, in this case. Z=0 can also be in the bottom
Y(15); //Second Point
X(15); // Third Point
Y(-15); // Forth point
X-15; // Fifth Point
(repeat)
</code>
Now we have a block with 1mm depth. If you use a while or for you can repeat the sequence for x=n passages, change the value to Z for the depth and your done.

Looks like im going to have a fun December

<rant>
I fucking HATE the Arduino environment right now.

First of all: you can't fucking put your project files in a sub folder to the main file. I can't write #include "src/motor.hpp" because it doesn't fucking know what that means.
Turns out you have to put all your header files in the fucking library folder common for all Arduino projects!

Secondly, you can't call your cpp headers hpp, they HAVE to be called h, or the Arduino environment throws a fit and begins whining about being unable to find the fucking files.
Not just that! You can't reference other Arduino libraries from within your library because the environment doesn't know what that means either.
To get around that you need to fucking include the library in your main file, AND THEN you can include it in the library file that uses it. After all, it should be the programmer's job to soon feed a so called IDE, right?

I'M SO FUCKING DONE WITH THIS SHIT! 😤

I'm ready to either program the Arduino directly with an AVR programmer or even port the entire project to the raspberry pi where I have a proper fucking Linux environment with a proper fucking directory structure so I can code proper fucking C++.
Hell I'm even fucking willing to spend all weekend porting all the code myself if necessary.

It's not reasonable that correct fucking C++ code is invalidated because I called the files something "wrong" and put them in the "wrong" directory.
</rant>

"user friendly project board" my ass

Evaluating some WiFi ESP8266 modules. 01, 12S, 14. Programming is very simple with Arduino IDE and esp8266 community.
This iot world really excite me.
ESP-01 about 1$, oled display about 2.5$...
Project is to create my own HomeKit modules. (Relay switch, temps, garage door, etc..)

Just found out a new experience.
Wireing arduino on the road.

DEBUGGING ARDUINO IS A FUCKING PAIN WHYYYYY

FUCK THIS PROJECT
FUCK SPI
FUCK I2C
FUCK JTAG
FUCK PROPRIETARY DEBUG HEADERS
FUCK USBTINY
FUCK AVRDUDE

I could mention so many libraries and frameworks but im gonna go with arduino.

Fuck. The entire day to do this shit.
The screen was my first experiment, but because of a bad module (i2c) it didn't worked.
Today I finnaly got it to work.
Starting making everything almost like in the picture, everything mounted (and lots of black hot glue, no wires showing...
Didn't work.
One hour breaking everything apart without damaging the screen... Was a loose wire.
Started again... Didn't work...
The pot is also damaged, sometimes it works, others need to turn it hard.
New pot.
New set of wires.
Soldering everything right, testing all wires so no mistakes this time... But it takes so longgggg... Making everything in modules this time (to reuse without having to sordering again. And finally... It works.
By this time I should have 3 or 4 learning projects finish (I really wanted the screen to adapt all output in text, no serial, no blinking less, everything in modules, code prepared so, when I get my 40+ packages from China I already have a prototype tester ready.
10 hours... Fuck I'm really addicted, or else I would just solder everything together :D

Code works yesterday with the hardware but but doesn't work today (ﾉꐦಠヮಠ)ﾉ, they only work when they want

aaah, memories. When I discovered github while doing my school project. Even my lecturer had no idea about, he thought I made it as part of my project 😂 Project was an Ionic app connected to Arduino for home automation. straight As I got... straight As.

Soon I will be talking about a new communication protocol between Raspberry Pi and Arduino ... At the meeting ... IoT enthusiasts.

I am excited and slightly upset.

It's Rainy...
Smoking a Joint
Infected Mushroom on Youtube
Arduino in my front, just recovered a damaged module, drawers filled with new gadgets to try (new to Arduino, is so addicting I don't even play anymore)...
This is life
The only thing lacking is a blowjob...

First I helped her with coding the Newton-Raphson method in Python (she has background in Mechanical Engineering).

Later I introduced her to the Linux world and she was amazed with the system responsiveness.

Now I am helping her with learning C (she is programming to Arduino but some concepts are hard for her because Python was her first language).

We are together for 4 years and going on.

Every time I'm organizing a beginner level programing workshop with a especific language, someone asks if we'll get to use Arduino with it.

In the land of Kangaroos you can claim education expenses directly related to your profession on your tax return. I am developing a plug-in for X-Plane. Do you guys think I can claim costs of my flying school as "education to better understand flight characteristics so that my plug-in works better"?

For anyone who's interested, I'm building a six pack using round LCD displays and an Arduino

Fuck.

I don’t know why, but I can literally call another Arduino and tell it to load sata from a fucking SD card but can’t show the word “MEM” on my SPI-controlled screen... what the fuck

Helped somebody learning Arduino (he is new to programming in general)...

I saw this at the top of his file...
I admire his effort tho...

That moment you ordered a "starter set" for arduino just for the cables, servo and sensors, buy an arduino uno because it wasn't listed in the set description and now you have two...

Never thought it would be so cheap (25€ for the set apparently including a arduino uno)

My first C++ app for a client was leaking so much memory that Windows kept crashing too.
So I had to press Ctrl-Alt-Del every few runs.
But the laptop running the app was enclosed in a box, so the keyboard was inaccessible.
My hack was to set up an Arduino, a push button outside the box and a wire. Asked the steward to push the button every three people trying the system. So the Arduino sends Ctrl-Alt-Del and the app was running again.

The client was happy :)

What would be the most awesome thing you've done with technology yourself ?

I mean, having Arduino to run your smart house is pretty cool, but is there a way you can top that ?

My project just went from "we can use one of those arduino boards, they are cheap and easy to use" to "we need a mass storage solution for that, maybe we can buy a shipping container and put it down on a nearby field as an on site storage". I love the things I would do if I had the resources for this kind of project!

I have a 16 year old son who is off-and-on showing interest in learning electronics. He wants to work for NASA someday. I’ve looked at dozens of Arduino and Raspberry Pi kits but I feel like he would benefit not so much from “mostly done for him” types of kits that are more like toys, but the kind that teach more fundamentals like resistors, capacitors, transistors, relays, etc. In other words, knowing first what the principles are behind the fancier kits. Do any of you have a recommendation of kits that start with the fundamentals, but that can still be inspiring and engaging?

Hey guys.
Well I've been down last months due to a burn out and medication.
Last ween I finally got my first arduino, then second and two kits...
Now I'm addicted...
Stopped Proscriating with games.
Started learning electronics and shit, specially , started cleaning... And just did my first project :p

Did anybody ever to use this arduino module (RC522) ? How to test that module is working or not? I've tried many example in the internet, but still not working

#arduino #led matrix
Hey guys.
So, this is my first led matrix using a 74hc595n, I did all the connections right, isolated the cathodes (-), and when I tested, I only connected one cathode (to test one row, when almost all the lights turned on, in all rows doing a chacing... So I disconnected the negative wire and it still works.
One led in the arduino blinks (L).
GND is only connected to the shift register
All the rows light up doing a colum chase when there is no negative.
I'm astowned.....

@Condor did you mention this?
One of my final projects... To connect gas, movement, IR pir and do a all arround protection sistem. I'll build the on-off for the gas difectly in the box for the arduino, it's the easy way, since I can now make an app to control it online.

Sorry forgot the pic

I just finished running my first Arduino program, I am perfectly able to switch the led on and off.
Should I add it to the CV!!!
Or should I build the whole traffic light three leds first?!?
I am confused....

First day of vacation, on a remote village cause of covid, after months of doing nothing special I made this :D
It's a keyboard to do combinations of keys (prototype) ...
Well, I made it to play sound effects in games (on voice chat)....
Ya, having a burn out fucks your motivation. At least I did something

Hey guys
I think I just burned 2 Nanos.
I'm using a 30W soldering Iron and had to resolder the pins of one and solder the pins of a new one.
Now they don't work. One allows for code upload but won't turn on, other seams to have a short circuit.
Could have I burned the circuits due to a 30W soldering iron?
Also used a little of flux on the pins, can flux pass energy and make bridges?
Thanks

Failing point of surprisingly a lot of interviews:

“WhaTs An ArDuiNo??”

Y'all know when you first hear about interrupts? Maybe on an arduino or something when you're just getting started and learning?

Yea after suffering enough trying to get ISRs running on an x86 just to get keyboard input going, I can safely and securely confirm it's all going downhill.

I love you all.

I wanted to build a smart home system with arduino or pi when I'd have my own place. But since that is a ways off, let's park that.

Just learn me some linux, python, node, typescript and some js frameworks, maybe handlebars, knockout and angular?

So the new Arduino Portenta h7 is programmable in JS. Some people just want to watch the world burn!

Fucking exam on Electronic Building Blocks... (aka Arduino). Program this thing ON GODFORGOTTEN PAPER! And then these retards put in that assignment line: max 5 lines of code, for a function that does nothing more than divide two shit eating numbers! And half of my apparently vegetative class fails this! When you were allowed to use your book and notes!

Oh and also, here's a seemingly pissed over image of an arduino with some peripherals, draw the wires. Draw! How the fuck do I keep 21 cocksuffocating wires on a page without overlaps or unclarity?

Coding for MCUs gets more and more surreal every day.. On one hand we're cooding oldschool heavy metal C or C++, but on the other hand they tell you to use PuTTY to check if there is a working serial connection - what the fuck?

Also the IDEs they suggest you. VSCode or Eclipse. Both are so unbelievable unusable for this, even with plugins, I would compile this shit via CLI myself before using them.

It just feels so contrary - they act like professionals and just spit out 200 uncommented lines of C to start WiFi on the ESP32 - not explaining a single fucking thing, but on the other hand, they checked the connection via PuTTY after writing some uwu kawaii shit into Eclipse.

Not to mention Arduino with their FUCKING SKETCHES.

That feeling when you spend 2 hours debugging circuit + code, to find out that the arduino had gone loose in the breadboard...

Batteries and power.
Hey guys. I have a question I have to rectify so I can think without doubts.
Let's say I have a sistem with solar power, a 1 lipo battery, one lipo module and arduino + shields and I want to power only by the 🔋.
My question is: is it good practice to charge while discharging at the same time with a lipo module? Won't it damage the batery and incrise the chance of fire? Thank you

New work place (changed the PC bellow (so now I have just a little more room.
And the stuff that arrived in 10 days.
Only arround 90 packages to arrive, all arduino or eletrónics related...
Must up my credit card limit
... Reached maximum this month.
No I only need that energy I had before the brake down.. Maby forcing me to finish the projects I already have in mind.
After all, I need a cnc to make my projects, so I must make one

How to spend more time writing docs then code?
15m = doc
1m = code

<code>
/* Motor DC + Mosfet IRF520 + Servo
Materials:
IRF520 (Mosfet) + Dc motor + Batery (3V min)
diode (1N4007?)
Changed Tip122 for IRF520: Tip122 has less resistance and produces more heat

Hardware:
ARDUINO = A(port , 5V , GND)
MOSFET = M(A[port] , + , GND)
MOTOR = MOTOR(+ , -)
BATERIA = BAT(+ , -)
DIODO = D(sinal_1 , sinal_2)

MOSFET
M(port) = A(port)
M(+) = D(sinal_1) AND MOTOR(+)
M(GND) = A(GND)

D(sinal_2) = B(+) AND MOTOR(-)

ARDUINO
A(port) = M(port)
5V = null
A(GND) = M(GND) AND BAT(-)

*/

#define motorPIN 8 // A(port)
int loopy = 0; // Loop variable to limit de program

void setup()
{
// Initialize the motor pin as an output:
pinMode(motorPIN, OUTPUT);

}

void loop() // 1 loop == 100ms
{
if (loopy < 10) // Turns motor ON for 1 second
{
digitalWrite(motorPIN, HIGH);
}
else // Turns motor OFF
{
digitalWrite(motorPIN, LOW);
}
}

</code>

So the gf just came home, threw this in my face (literally, but not intentionally) and said "they were giving these away, thought you might have fun".

I've only heard of raspberry pi, arduino and such, but never actually used one.
Anyone have any experience with this thing in particular? Can I actually do anything with it or is it mostly for learning?

Firebird V(arduino based bot) while charging made some sound and one of our teachers who teaches microprocessor came in and switched off the charging and when asked about she said she thought it was some kind of bomb.😑

So I have to give a technical presentation in front of 50+ people in 6 days. I'm just about shitting my pants right now. And thinking what to talk about.

Any ideas? Mine are:
1. Arduino and Raspberry Pi--the future of automation.
2. Privacy and how personal information is now another way of profit.

Anyone got any cool arduino/pi projects they want to share? I'm currently iteratively building a self-hydrating cactus that measures the soil moisture content and sunlight and logs it to my server, just because i can, then waters the cactus for me if it needs it.

A few years ago I had a Minecraft server and wanted to create my own plugins for it. I failed, but never stopped trying.

Did an internship at a software development company and got an Arduino as a gift; I was hooked - controlling stuff and seeing that stuff happens because of my code? Count me in!

Took classes in school that teach me coding and databases. I also taught myself a bit of C#, Java, C++ and PHP.

5 years and 3 internships later, I'm finally starting my paid training for the job as a programmer next year at the company that gave me the Arduino.

Gaming is what got me into coding, and I couldn't be happier. :)

Hey guys, my gf and I want to do something with the Arduino we got. We are getting a CS degree, so programming is not a problem, but we have quite basic knowledge of electronics.

What could be a cool simple (but not too introductory) project we could do?

The arduino came with a bunch of sensors (ultrasonic distance sensor, humidity, ...) some input (joystick, RFID reader/writer, buttons) and some outputs (LCD display, 8x8 LED matrix, bunch of color and RGB leds).

I thought It was an arduino app :/

The feeling when your brothers think you are a magician cuz you play music by pressing lemons with arduino.
Then they tried and it didn't work ubless I was holding them.

Magic!
When life gives you lemons, don't do a lemonade. Do an arduino program and play!

Niceeee.
Been receiving packages every day but today I good good shit..
Ideias for me to try?
4 relay module, 4 mostef board, finally the gears for the motors I'm scraping, and more mostefs. My mom is saying that I have the mailman for myself lol

Not a bad idea at all!

My morning.. Two days of packages... 40 packages left

Finally I have one.

Any fun project idea?

!rant
Hey guys...
It's finally working.
Just needed to upgrade the drivers.
Using RGBL + 3 28BYJ steppers.

Just have one tiny problem and need help...
The resolution isn't right... Instead of moving mms, if I send a move of 64mm (one stepper revolution) it just turns one time instead of moving 64mm... Where are the settings to change this?
Btw this is the best birthday present ever, from me to me :-D also... My parents bought me a 3D printer, waiting for it to arrive... Me happy today

I decided to learn some soldering and electronics. Any idea on what to try?

Story.

Once I got a Karen told me this is a bomb.

I want to start with Arduino stuff.
Some tips which board i should buy?
Or some tips for a Hello World or something like this?

I'm part of a robotics team in my highschool. We work on autonomous robots, which are driven with microcontrollers like the Arduino and "bare" Atmel chips.

Last year we were using a protocol called CAN. CAN is a bus which runs at 1Mbps and it is quite easy to connect devices together. (It's a bus ofc it is). BUT... it needs a terminator at the end, mostly 120 ohm.

Every year we are on a deadline and something broke on our current board and we needed to solder up a new one, but we couldn't find the 120 ohm terminator... ANYWHERE!

At end after searching for it in the workshop for 4h straight (12am- 4am) we finally found it, and soldered up the new board and guess what... it wasn't what we thought, the code was the problem.

After realizing the problem my teammate and I, in silence just stood up, packed our things and went home. Argh!

Just set up my own IoT device for free thanks to the guys at Losant.

I met them at codestock a couple years ago. They were running a workshop with some Adafruit boards and at the time I had never seen anything like Arduinos before. I was fascinated. So I walked up and asked about it. They said they sold the chips just to demo their IoT stuff. I said I'd buy one. I then waited like 40 minutes for them to get their card reader working. They gave up and handed it to me, gratis. That started my dive into electronics from programming.

Few years later, I needed a remote temperature sensor to make sure a certain unattended appliance never got below freezing. I suddenly remembered that kit (now buried under my heaping stash of electronics), followed the tutorials, and had the exact thing I needed up and running in like a few hours, with all the bells and whistles I could want. And for free.

The icing on the cake here? I went on their website to look at a kit to replace it. I found one with even more goodies in it, and the entire kit cost less than the cost to go to adafruit and buy just the board alone.

Thanks Losant for being awesome. If you wanna do IoT anything, look em up.

Throughout the years I slowly bought more Arduino boards and stuff. But then RadioShack closed shops in my country. So my inventory has remained relatively small.

But now I have been given a ton of stuff. Boards, sensors, wires. More than what I know what to do with.

Someone, please give me a cool project to make.

Arduino project going off the budget and teacher asking for more functionality because "it can be made within 30 mins". We are working for 3 days and only things we are getting to know is new components that we need to add. That too in summer holidays... Fml

They said they make their coffee with ****** Arduino !! So I went back to check out the machine. Not what I expected....

Arduino :)

Yesterday, I started taking the new programming classes in my school. I am utterly disappointed, before even teaching my classmates who are new to programming some basic python or javascript, the teacher started the class with teaching arduino and C and because of that many of my friends have since dropped the class and we are only 3 left out of an original 20.

Although some of you might say that arduino is a good introduction to programming, I believe you should teach a kid basic python or java before getting into arduino or raspi..etc

Does anyone know good resources to learn Arduino Programming?

I have a basic understanding of C, I am looking for a series (of articles preferably) that walks you through the available libraries and the electrical engineering side of things.

Had Arduino for months, couldn't get MPU6050 working, because of a lack of time and other stuff. (Need it for long term college project, data logging blah blah)
Gave it to project teammate to figure it out, who hates even touching hardware, BTW.

He figures it out in an hour (adjusting baud rate for supply voltage)
I feel like a complete idiot.
🙁

"Hello World" from a cheap board that full of amazing features come together with build in WiFi.

My arduino based self flying plane..

Busy with it for more than a year now and progress is pretty slow because I want to develop a UI to control multiple planes and drones..

Arduino :)

Can you spot the difference?
So after getting the 37 sensor arduino module kit, i decided to label each of them. The 2 modules below are the last 2 in need of labeling...
One is a magnetic hall and the other is an analogue hall but I can't tell which is which. Googling just makes it worse since they are so similar the same image is often used for both modules. The only visible difference is one has a small resistor and what appears to be a tiny led.

Please help me identify them... asking for a friend.

Q: Arduino IDE vs PlatformIO (atom)?

I vote for PlatformIO.

Goin on vacation tomorrow night... As expected to have two more days.
Started packing everything for my new addiction...
I usually take two cases, with everything I want, even a laptop. So space is already filled except my stuff and clothes.
Already have 3 cases... only with electronics stuff :D

OH MAN it feels so fucking good achieving something with electronics, especially because I have a really hard time learning it by myself

Hey guys.
I've been using instructables a lot for arduino tutorials. Do you guys know other sites like that?

Has anyone else noticed that all arduino code eventually turns into a tower of nested for loops?

So we were building this thing with a raspberry pi, a few sensors and a few motors but for some reason we could not interface a sensor with the pi (this is supposed to be trivial) so we interfaced it with an Arduino and had connected a pin on the Arduino to the Raspberry pi to alert the pi when the sensor reads something!

Not something we were proud of but we had time constraints and couldn't figure out how to make it work. Also, the thing we were building was just for a one time use so we thought it would be okay

!rant

A while ago I ranted about how the programming club in my school decided to start teaching programming with arduino and it was causing the students to drop out because they were finding it hard, well today I went to the club and got there 10 minutes late, yet when I arrived, thinking that they would have started without me, there was only 2 people other than the instructor and assisstant. And the funny thing is that although 90% of the class stopped going to the programming club because they were finding arduino hard, the instructor still doesn't want to teach anything else and is adamant on teaching them arduino.

What a fucktard

Well, I have only one:
When programming an Arduino, unplug the power cable. I nearly burned my Arduino Uno once...

You guys prefer Arduino or Raspberry PI? I want something thst is beginner friendly but super intuitive. Leaning towards arduino

Hey guys
I'm trying to do something different from the usual and need your help.
I want to install linuxCNC in a pen drive (as in a live CD, but with the file system in the PEN which is usable)
I want to plug it into my mother's laptop, use it with my machines, then just unplug and it will run the native windows for my father.

How can I do this'?
I only find Live CDs, and I'm afraid of ruining my OS when If I try to install (afraid of installing on the SSD instead of the PEN).

How about for once in your fucking life, before saying that my code is wrong because it is giving you errors, you fucking check to see if you have the semicolons in place

I’d finish my equalizer project with my dad.

Lost one day mounting my CNC.
Still on the basics...
Found out that I baddly welded the two fucking easy drivers and made a bad connection I can't undo now.
So the drivers are always on and stepping :(
5€ to the trash.

Bought an Arduino and is finally able to learn how to make my software interact with custom hardware projects. Just wiring up a led and controlling it with software is amazing fun! Really looking forward to learning servos, motors etc.

Planning to make velocity sensitive midi drums with piezos in the future.

Do you guys think I should go for a Lego Mindstorms set as a way to start getting into robotics?

I know of a lot of people that recommend going through arduino and buying a bunch of shit and throwing it together etc. But the thing that makes me interested in Mindstorms is how everything seems to be in one place. A smart brick programmable through multiple different programming languages(for example Python, java, C) a good kit that can be really modular and built into different components, all sorts of sensors.

I just think its a good option, but if someone were to recommend a particular book or resource for Arduino or some other stuff I would definitely consider it.

So, what do you lads think?

Avoided IoT(IoS - InternetOfShit) for a long time now, due to the security concerns with retail products.
Now I looked into 433 Transceiver + Arduino solutions.. to build something myself, just for the lolz.

Theory:
Smallest Arduino I found has 32 KByte of programmable memory, a tiny tiny crypto library could take around 4 KBytes...

Set a symetric crypto key for each homebrewn device / sensor / etc, send the info and commands (with time of day as salt for example) encrypted between Server <-> IoT gadget, ciphertext would have checksum appended, magic and ciphertext length prepended.

Result:
Be safe from possible drive-by attacks, still have a somewhat reliable communication?!
Ofc passionate hackers would be still able to crack it, no doubt.

Question: Am I thinking too simple? Am I describing just the standard here?