Troubleshooting • Arduino Leonardo Controller Button Issue on Recalbox with...
Hello everyoneI'm in need of some assistance with a custom Arduino Leonardo game controller I've been working on. I've utilized the ArduinoGamepad library by gamelaster (found here:...
View ArticleBeginners • vc4drmfb second framebuffer
Hi, I am interested in using both HDMI ports on Pi 5 (and possibly Pi 4) as separate displays -- without using X or Wayland.I added to cmdline.txt:Code: video=HDMI-A-1:1920x1080M@60,rotate=0...
View ArticleGaming • Help to build a Pi Jukebox
Hi AllI would like to build a Pi jukebox like this user here has done https://www.instructables.com/Raspberry-Pi-Jukebox/I did something similar with a pc and arcade buttons to build a 2up arcade...
View ArticleCompute Module • CM4 Ethernet IC BCM54210PE: Single Ended Impedance? Datasheet??
Hello,I'm beginning to design a PCB which integrates a CM4.When considering the CM4's Ethernet IC (BCM54210PE) the differential impedance is stated in the CM4 Datasheet as "100Ω"But there is no...
View ArticleMicroPython • Pico W: requests.post certificate verification
I'm new in the forum so hello everyone.I'm trying to use the requests library to send data to the server via https protocol.Code: r = requests.post(url, headers=headers, data=json.dumps(data),...
View ArticleRaspberry Pi OS • Putting a RPI OS onto a SD card
Hello, i am having trouble putting a Raspberry Pi onto a sd card.The SD card is 4GB but my Windows 10 laptop thinks it it 55MB so i dont have enough room to put a OS onto it, so at the moment i cannot...
View ArticleGeneral • Using a Pico to output a 12v signal to a latching relay.
Hi Guys,New to the forum, but have been messing with Pi's for a while, but never jumped on here.I'm trying to use a Pico to control exhaust flaps in my car.They're set up and running through relays...
View ArticleClik here to view.
Advanced users • Re-soldering USB-C power port for Pi 4b
Hello all,My usb-c port on a pi 4b decided to start living its own life and detached itself from the board as I was plugging in the power cable. The usb-c port itself looks fine, all pins look clean...
View ArticleTroubleshooting • how to use GDB to debug/track kernel on RaspBerry pi5
Prerequisite: The uart line has been connected.I failed to set breakpoints in gdb, e.g:b start_kernel . It started directly and was not blocked at the breakpoint.so how to...
View ArticleGeneral • Reinitialise the WiFi driver and LwIP ?
Does anyone know how to reinitialise the WiFi driver and LwIP from a Pico SDK program so they can be put in the state they would have been after a power-on or a reboot ?The issue is that MicroPython...
View ArticleTroubleshooting • Raspberry Pi 4 throws SMART errors
I have a Raspberry Pi kubernetes cluster running k3s.It's 2x 8GB models, and 2x 4GB models.They're all using USB -> SSD cables, with 240GB Kingston A400 SSDsThey're all running Debian12 bookworm...
View ArticleGeneral • Interesting pin failiure
Sorry if somewhat off topic.I've just been chasing around wondering why an input was reading low instead of being pulled up to 3v. ( o/c output of lm339 via a 3k0 resistor )I appears the pin has...
View ArticleTroubleshooting • SSD through one USB cable is booting, but not from another one
Hello,I have 2 SATA-USB3.0 cables. One cable is working fine (on PI4 and on Windows) and the other one is only working on WIndows.They are not from the same brand, but both are 3.0 and brand new.I...
View ArticleRaspberry Pi OS • Where is the default wallpaper located?
I switched my desktop to KDE and would like to use the same wallpaper that comes with the stock desktop. I thought it would be under /usr/share/pixmap, but it's not. Can someone tell me where the...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • RPi5 UART and RTS pin
Hi,I'm trying to get a RS485 transceiver working. For this I need the RTS signal from the UART to switch the DE from the RS485 transceiver.I use UART4 on the GPIOs 12 (UART4_TX), 13 (UART4_RX) and 15...
View ArticleBeginners • Multiple HATs
Hi everyone,I've read that the HAT spec isn't designed for stacking, I'm finding this tricky as a lot of cool stuff requires a HAT. For example, if I want to connect a PiJuice battery module and a...
View ArticleAdvanced users • GPIO Interrupt asserting continuously
I have written device driver to request an interrupt using GPIO pin. Once I gave the GPIO interrupt then the system is getting hanged. Only one time I am able to check the dmesg output in which the...
View ArticleGeneral discussion • Multi Channel Output For TV Coax Systems (One Raspberry Pi)
Im working on a project to make multiple tv channels that play video through analog inputs on tvs throughout my house and am wanting to only use 1 raspberry pi4. The end goal would be to have at least...
View ArticleTroubleshooting • Raspberry Pi Tv Hat
Hi, I have recently bought a raspberry pi 4(8 gb ram)and flashed the newest raspberry OS among with other OS(through multiboot).I have also bought a raspberry pi tv hat and installed tv headend as it...
View ArticleC/C++ • CMake DISTRO_ID= different for 32 bit and 64 bit Bookworm
I've been looking for a way to recognize a raspian build in my CMake project.Most of my machines are now running 64 bit, but I recently built my project on a 32 bit machine and realized it reports...
View Article