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Search - "rpi 4"
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Testing a raspberry pi 4 as a computer driving our 4k dashboards' screen. Temperatures are constantly 80-90C.
Me: STEP ASIDE! MAKE WAY FOR A HOTFIX!
Rpi: aaahhh, 42C -- now we're talkin!8 -
2020 dev goal.
To build a 10 inch laptop using a RPi 4 (4GB), so far I've come to the conclusion that it will be self powered with a solar power battery pack, a HDMI screen and a full size 104 key keyboard with trackpad or just a mouse if it's to large.
The case I'm currently staring at a pile of lego going 🤔🤔🤔 this could probably work.1 -
RPi 4 is hard to get your hands on it seems.
Really debating buying it though, 4 GB is enticing, but I just don't see a place for it. I have a surplus of machines which are much more powerful and accessible (Display ports - not mini HDMI)
And let's not forget the sub-2GHz clock speed. My desktop goes to 5, and my server isn't far behind. And my laptop isn't far behind that. And my other laptop isn't far behind that. But this new Pi would be far far behind that.
Not to mention the ARM architecture. There have been leaps and bounds made since the Pi first came out in terms of support for ARM (Most certainly fueled by the Android craze) but it still isn't x64, is it?
If I were 13 again and I didn't have all of the toys that I do now, I would be elated at the launch of the Pi 4. But as it stands, I don't see a use for it. Maybe nostalgia.19 -
Bored at the office. Company is done for. I'm spending my last days here, doing nothing, waiting for my new position to start. There's only that much you can read on devRant, and SO MUCH MORE you could do writing code. But I just can't decide what to do and as a result sit here doing nothing. Help me out please! Answer with the most points will be the thing I'll start with on Monday, while today I think I'll just crack open a cold one.
My initial variants:
1. Learn Electron by playing with Electron React+Redux basic boilerplate, in order to make a simple personal blogging app.
2. Complete some of the 20 courses that I bought on Udemy 6 months ago.
3. Write the back-end logic for my Raspberry PI controlled systems at home (to control it remotely I'll make a hosted API that RPI will access to get input for it to decide what to do).
4. Solve problem 51 on projecteuler.net with an algorithm that runs less than 20 seconds.
Other suggestions are welcome.1 -
I spent 4 months in a programming mentorship offered by my workplace to get back to programming after 4 years I graduated with a CS degree.
Back in 2014, what I studied in my first programming class was not easy to digest. I would just try enough to pass the courses because I was more interested in the theory. It followed until I graduated because I never actually wrote code for myself for example I wrote a lot of code for my vision class but never took a personal initiative. I did however have a very strong grip on advanced computer science concepts in areas such as computer architecture, systems programming and computer vision. I have an excellent understanding of machine learning and deep learning. I also spent time working with embedded systems and volunteering at a makerspace, teaching Arduino and RPi stuff. I used to teach people older than me.
My first job as a programmer sucked big time. It was a bootstrapped startup whose founder was making big claims to secure funding. I had no direction, mentorship and leadership to validate my programming practices. I burnt out in just 2 months. It was horrible. I experienced the worst physical and emotional pain to date. Additionally, I was gaslighted and told that it is me who is bad at my job not the people working with me. I thought I was a big failure and that I wasn't cut out for software engineering.
I spent the next 6 months recovering from the burn out. I had a condition where the stress and anxiety would cause my neck to deform and some vertebrae were damaged. Nobody could figure out why this was happening. I did find a neurophyscian who helped me out of the mental hell hole I was in and I started making recovery. I had to take a mild anti anxiety for the next 3 years until I went to my current doctor.
I worked as an implementation engineer at a local startup run by a very old engineer. He taught me how to work and carry myself professionally while I learnt very little technically. A year into my job, seeing no growth technically, I decided to make a switch to my favourite local software consultancy. I got the job 4 months prior to my father's death. I joined the company as an implementation analyst and needed some technical experience. It was right up my alley. My parents who saw me at my lowest, struggling with genetic depression and anxiety for the last 6 years, were finally relieved. It was hard for them as I am the only son.
After my father passed away, I was told by his colleagues that he was very happy with me and my sisters. He died a day before I became permanent and landed a huge client. The only regret I have is not driving fast enough to the hospital the night he passed away. Last year, I started seeing a new doctor in hopes of getting rid of the one medicine that I was taking. To my surprise, he saw major problems and prescribed me new medication.
I finally got a diagnosis for my condition after 8 years of struggle. The new doctor told me a few months back that I have Recurrent Depressive Disorder. The most likely cause is my genetics from my father's side as my father recovered from Schizophrenia when I was little. And, now it's been 5 months on the new medication. I can finally relax knowing my condition and work on it with professional help.
After working at my current role for 1 and a half years, my teamlead and HR offered me a 2 month mentorship opportunity to learn programming from scratch in Python and Scrapy from a personal mentor specially assigned to me. I am still in my management focused role but will be spending 4 hours daily of for the mentorship. I feel extremely lucky and grateful for the opportunity. It felt unworldly when I pushed my code to a PR for the very first time and got feedback on it. It is incomparable to anything.
So we had Eid holidays a few months back and because I am not that social, I began going through cs61a from Berkeley and logged into HackerRank after 5 years. The medicines help but I constantly feel this feeling that I am not enough or that I am an imposter even though I was and am always considered a brilliant and intellectual mind by my professors and people around me. I just can't shake the feeling.
Anyway, so now, I have successfully completed 2 months worth of backend training in Django with another awesome mentor at work. I am in absolute love with Django and Python. And, I constantly feel like discussing and sharing about my progress with people. So, if you are still reading, thank you for staying with me.
TLDR: Smart enough for high level computer science concepts in college, did well in theory but never really wrote code without help. Struggled with clinical depression for the past 8 years. Father passed away one day before being permanent at my dream software consultancy and being assigned one of the biggest consultancy. Getting back to programming after 4 years with the help of change in medicine, a formal diagnosis and a technical mentorship.3 -
Ideas I've had over the years that could pan out and be useful:
SMS-DB: Stands for SMS-Data Burst. Used to allow those with low cell signal or no data plan to transfer data between a phone and some client via the standard SMS text space. Would be slow, but would act kinda like dial-up over SMS (as mobile lines are compressed on all service levels, even LTE, so traditional dial-up wouldn't work!) I have a general idea on how packets would be laid out, but that's about it so far...
everything2PNG: Allows one to transpose any file's data into a PNG with a 3 byte per pixel (full color RGB), which allows for a "compression" of sorts (about 91, 93% on preliminary tests) AND allowing further, more efficient compression of the resulting file. (Plus... it's just kinda cool to see files transposed as PNGs.) I actually have a simple transposer to go to PNG, but can't yet go back. Large files (around 600MB) use upwards of 4GB with efficient paging and other optimizations via NumPy so far, so it's not *viable* yet, but it's coming along nicely.
RPi-GPIO Interconnection Bus: A master/slave or round robin method to allow for Raspberry Pis to communicate using GPIO, which can help free up network bandwidth in RPi cloud computing clusters. At most, this'd allow for 4 bits used for pushing to the GPIO "bus", and 4 bits used for pulling from the "bus". 8 pins total are usually unused minimum, so either 3 or 4 pins for upload, 3 or 4 for download, and potentially 1 or 2 for commands, general non-data communication, etc. I made a version of this concept using Round Robin for a client, but it was horribly slow. (I also don't have distribution rights for the code, so i'm working from scratch.) Definitely doable. -
And so again I'm here asking for your opinions.
My old router (linksys EA6400) had a meltdown yesterday and decided to lose wifi connectivity every 4-5 seconds for 4-5 seconds each time. So it was like 5 ICMP packets pass and then 5 fail, and this pattern held up through the whole day.
Did a hard reset hoping it will help. Little did I know.. Do you even imagine how fun it was setting it up with randomly not working wifi? :D And this router can only be set up over wifi. I had to count seconds in my head predicting when it will start losing packets. Because when it does - the setup fails :)
yayy!!
So I guess it's time to start looking for a new one. I barely use ethernet ports (one for RPi). But I do need a good wifi. AC is a must. AX is not since none of my devices support it. I'd also like it to have open-source firmware, maybe accessible via shell (100% dd-wrt/open-wrt compatible). A USB port would be a plus (for the RPi).
Do you have any suggestions worth looking at?
What do you think about WRT3200ACM MU-MIMO?
Also I came across something called MESH ROUTERS (wtf is that?). http://linuxgizmos.com/low-cost-802.... Is it worth looking at?
What would YOU suggest?4