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General discussion • Raspberry Pi Zero 2 W not booting tried everything
Hi everyone,Hi everyone,I’m having a persistent issue with my Raspberry Pi Zero 2 W — it doesn’t seem to boot properly, and I’ve already tried the following:•Used two different boards (both brand...
View ArticleGeneral discussion • Retro pie on pi3
Hey everyone, thanks kn advance for any insight.Basically I have an arcade machine that worked fine until recently - it was left unplugged for a period of time… it will load the little graphic of...
View ArticleGeneral discussion • Re: Raspberry Pi Zero 2 W not booting tried everything
The only thing I see is a solid color screen (rainbow) that flashes for about a second, goes black, then flashes again in a loop. Nothing else happens.Are you getting any consistent pattern of...
View ArticleGeneral discussion • Temperature failsafe
Hi, How would I add in a failsafe to shut down my pi when it is as risky if high temperature especially if it has been rapidly increasing. I am aware that it will just downclock if it gets too hot but...
View ArticleGeneral discussion • Re: Temperature failsafe
This should work :https://gist.github.com/hotnuma/a0593d7 ... 1698350844Download the file and compile it :Code: gcc -o test main.cExecute the program :Code: ./testIt will measure the CPU temperature...
View ArticleGeneral discussion • Question
Hello,Has anyone ever built a rasberry pi to work with edispatches station board displays? We currently use the internet browser on a TV but the problem is when the power goes out the TV loses the...
View ArticleGeneral discussion • Re: Best UPS
An off-the-shelf UPS is a good start, but think about the various scenarios that can happen (including UPS indicates everything is fine, but dies immediately when power fails).The scenario I never...
View ArticleGeneral discussion • Re: Raspberry Pi documentation - Pi5 filters?
... the existence of community maintained translation layers.tbf to Raspberry Pi, I don't think they can be expected to know about all of the forks made by the community. I mean, even in the A history...
View ArticleGeneral discussion • RPI5 on 12V
Hi allI want my rpi5 running on a 12V car battery. However, I experience a lot of problems.Using a normal 12V to 5V converter does not work. Either it does start and then goes quite immediately into...
View ArticleGeneral discussion • Re: RPI5 on 12V
When you monitor the current, what are you using? A multimeter, or the like, won't see transients. You need a 'scope to the true picture of what is going on. It's most likely that your solutions don't...
View ArticleGeneral discussion • Power Adaptor for Raspberry Pi 4 Model B and Servo HAT
Hey guys,I am stumped by my ongoing power management.So I am using a Levono Adaptor for my Raspberry Pi 4 Model B and servo HAT which is running 2 servo motors and an axial fan.The Lenovo Adaptor can...
View ArticleGeneral discussion • Re: Power Adaptor for Raspberry Pi 4 Model B and Servo HAT
Pis require 5+/-0.25v. Current (amperage) not only varies by model, but also depends on attached devices that are powered by the Pi and what the Pi is doing at any given instant. The current specs...
View ArticleGeneral discussion • Re: Raspberry Pi 5 poweroff behavior?
I got a Pi5 that I'm going to use as a small NAS. I got all working except the poweroff behavior.I have connected a LED to the 3v3 header pins and I have noticed that if I do a hard poweroff holding...
View ArticleGeneral discussion • symbols set for Lbre Office Draw
are there any symbol sets for Libre Office Draw? Things like resistors, capacitors, diodes etc.Thanks in advanceRogerStatistics: Posted by Rcayot — Sat Jun 14, 2025 11:53 pm
View ArticleGeneral discussion • SOLVED - (kindasorta) Help porting larger chip's OS onto...
The title pretty much says it. I have a Pi5 with a 128gb microsd whose OS works great and another pi5 with a 64g microsd which seems to have developed some problems. If the situation had occurred in...
View ArticleGeneral discussion • Re: Help porting larger chip's OS onto smaller chip
Do a "df" command to find out how much of the 128GB card is actually in use.Statistics: Posted by W. H. Heydt — Mon Jun 16, 2025 7:55 pm
View ArticleGeneral discussion • Re: SOLVED - (kindasorta) Help porting larger chip's OS...
I honestly wouldn't have thought about doing that since I come from the era of cracking Amiga disk protection by raw copy, and 880k meant 880k whether it was all used or not.Back in the days when I...
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General discussion • Re: Best UPS
UPSes aren't a large enough marketMotorcycle batteries are mass produced and the slight weight difference of sodium over lithium should make that a good target market. If only UPS makers would fit...
View ArticleGeneral discussion • Re: replace the USB 3 port
Yes, USB ports can be replaced, but it requires precision solderingA repair shop with micro-soldering skills can help.Statistics: Posted by Brephe — Thu Jun 19, 2025 6:31 am
View ArticleGeneral discussion • Re: Power Adaptor for Raspberry Pi 4 Model B and Servo HAT
You're right to look for a proper explanation — power management with variable voltage adapters can be confusing, especially with USB-PD or smart chargers like Lenovo's.Your colleagues are correct in...
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