Device Tree • gpio-poweroff questions
Hello everyone, I'm looking to use the gpio-poweroff overlay, I can see it works with the Pi5 and everything looks good in that regard. But I have a few questions, for simplicity of sharing the code I...
View ArticleGeneral discussion • I build a linear PSU for the RPi5 for use in high end...
John Tucker of Exemplar Audio did the work. He was taken aback by how great of a media server the RPi5 is (running LibreELEC), even when compared to $$$$ audiophile media servers. After some...
View ArticleRaspberry Pi OS • dhcpcd not learning NTP servers from DHCP
Hi,bringing my good old shelved Pi2B to new life I just installed newest Raspberry Pi OS (Lite, all updates installed) and noticed that the system didn't use the NTP servers my DHCP server provides to...
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Bare metal, Assembly language • Raspberry pi 4 Ethernet
Hi all,I am trying to use Ethernet on raspberry pi 400.How is the Ethernet controller connected to the SOC? Is it via gpio or usb or pci or what else?I have been through Linux, openbsd and uboot...
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Troubleshooting • Installing with NPM runs out of memory?
Apologies if this belongs in another forum! I will be happy to move it if so!I bought a brand-new Raspberry Pi Zero 2 W, and I began tinkering with it for the first time this weekend!I installed...
View ArticleTroubleshooting • Mount from Network
I mounted a directory from my Network onto my Pi and the mnt Folder is now in the root system (not in the root folder but in the larger / Folder). The problem is that as a normal user I don't have...
View ArticleAdvanced users • Pi 5 Jitter every 2~3 seconds
On a Pi 5, I have a tight control loop running on an isolated core (e.g. `isolcpus=domain,managed_irq,3 irqaffinity=0-2 rcu_nocbs=3`). It runs nice and steady, except consistently every 2~3 seconds it...
View ArticleBeginners • Using 120W charger as PSU
Hi, have had very confusing answers from this forums existing question, mostly mentioning undervoltage, hence asking:With this charger: 5V⎓3V / 9V⎓3A / 11V⎓6A Max / 20V⎓6A Max (120W Xiaomi...
View ArticleSDK • Static library not statically linking pico_stdlib
Hello,I'm trying to make bindings to this project https://github.com/raspberrypi/pico-tflmicro. The issue is that linking fails because the pico_stdlib's symbols aren't also getting linked in. I can...
View ArticleGeneral • ssi pins after driving RUN low
If the rp2040 was previously running and using SSI to perform XIP, and then I drive the RUN pin low, is it guaranteed that the rp2040 will put the SSI related pins into a high impedance...
View ArticleBeginners • RPI 3+ realVNC connection issue
Hello everyone,complete newbie here. We are going through the setting up of a PI3+ board for a Freenove project with my son.We managed to go through the first steps pretty easily, installing the OS...
View ArticleGeneral discussion • reading duration of a signal using PIGPIO
I have a device that continuously sends the signal of different pulse widths. I am trying to read those pulse duration and build my logic to further implement it. It is a synchronous signal. I am...
View ArticleGeneral discussion • Apple iAP2 Support
Dear sir,We plan to use RP2040 to develop an audio dongle product for iPhone (for both USB-C and Lighting interface).We would like to know if the RP2040 supports iAP2? Or we need to implement by...
View ArticleBeginners • USB cooling with thermostat for raspberry 4/5 cluster
I have a cluster of 8 Pi 4s and 5s that I have run many projects on but I have never done anything with any HATs or other pluggable hardware.Last year I had to move the cluster to my garage which gets...
View ArticleHATs and other add-ons • Rpi 5 built-in power switch ("PSW"), and...
The ATX Watchdog hat is here:https://www.tindie.com/products/tomtibb ... -module-4/It controls an ATX supply, and needs a switch connected to two of its pins for powering everything on. With a jumper...
View ArticleBeginners • Suitable GPIO library for Buster?
I am constrained to using Buster on a RPi3B because of other software that is installed on it. A friend is helping me with programming and he has a file running fine on a RPi3 but with an up to date...
View ArticleCompute Module • Is it possible to design a carrier board with an eMMC for...
As I know, the CM4 lite works well with an SD card. And, the eMMC pins are compatible with SD card pins.So, is it possible to design a carrier board with an eMMC, so that a CM4 lite can work on...
View ArticleMicroPython • Question about PIO mode
Hardware：Raspberry Pi PicoSoftware Development Environment：MicropythonPurpose：Turn on a back light（the back light is producing at present, so now I only have LED driver...
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Advanced users • Getting around pi-greeter after Display powered off
Hi,I have a Raspberrty Pi 5, which I have configured as a Kiosk. (It is configured to auto-login and run a python script which uses Chromium/Selenium to access a web page and start the presentation...
View ArticleBeginners • .service file help for cvlc autoplay on boot
[short]Does anyone have a link to an example .service file/code which would specifically play a video through cvlc via command line on boot on an rpi0 (RPi OS lite) with no desktop ? Or if someone can...
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