Troubleshooting • Autostart bashscript with libcamera does not work
Hello,I have the following simple bash script named "camera.sh":Code: #!/bin/bashexport DISPLAY=:0.0export XAUTHORITY=~/.Xauthoritysleep 10libcamera-hello --fullscreen -t 0When I add the following...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • MIPI CSI2 TX IP and RP1_CFE compability
Can I mention people here to grab their attention? @raspwan was posting about use of FGPA to stream something into RPi.I'd like to know how to get matching settings in terms of link speeds? The Xilinx...
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Troubleshooting • Time / Date is wrong on Bullseye OS, chromium is claiming
Hello,I just installed a fresh Image, Bullseye OS Desktop on a CM4 with Waveshare Baseboard.I connected a LAN cable, but chromium is claiming "date and time are incorrect".Timezone is correct.Where...
View ArticleHATs and other add-ons • Recommended maximum 3.3V current draw for a HAT on...
Are there any guidelines regarding what is the permissible (or recommended) maximum current draw from the 3.3V power rail (i.e. the 3.3V pins on GPIO) for a HAT used with the Pi 5?From what I have...
View ArticleBare metal, Assembly language • Struggling to make SPI DMA work
Hi.I am implementing pixel data transfer via SPI + DMA on Raspberry PI 3B+I have an ili9341 display and I want to output 320x240x3 bytes of data over SPI with the help of DMAI have read carefully...
View ArticleCompute Module • Power the RPi CM4 using a 18650 battery
Hello, I am planning to make a cyberdeck with the CM4 and I'm wondering how I can power the cyberdeck using a 18650 battery or some other battery. I also want the battery to be rechargeable. The...
View ArticleBeginners • Live audio processing with Raspberry Pi Pico
For a project I would like to listen to sounds recorded via a microphone real-time through a speaker or headphone using a Raspberry Pi Pico.So far I have been able to write audio recorded via a...
View ArticleAdvanced users • Reboot once into different partition
Is there a way to achieve this on RPi4? The reboot argument doesn't work. I currently switch partitions with autoboot.txt but this results in a permanent change.So far I found this info about why...
View ArticleOff topic discussion • Choosing a Static Site Generator
Hello everyone, I'm looking to generate some web pages for my projects. I mostly use Gitlab I know there is all this integration stuff on git hosts to help do this but I'm looking to do it on Pi and...
View ArticleAdvanced users • Raspberry Pi Zero 2W: GPIO expansion via non-I2C GPIO pins?
I have a project that involves a Zero 2W driving a Waveshare DPI touch LCD and an Adafruit RGB LED button. I'm having trouble communicating with both devices.The LCD mounts on the GPIO array and works...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Hardware PWM documentation?
I'm specifically interested in non-Pi5 hardware PWM, but I can't find any official documentation on how to use it.The best I can find is a 3rd party python library here, which references some blog...
View ArticleBeginners • Audio over HDMI and 3.5mm jack
Is there a reason that the older Pi OS(can't be run on pi4) can play sound over both HDMI and 3.5mm jack with automatic switching, but the new Pi OS can only do one or the other with no auto...
View ArticleTroubleshooting • Problem with Johnwill Monitor
1366 x 768 10.1" HDMIPi 400 GBIf for example the Pi 400 is trying to display:123456The monitor displays :1 2 3 4 5 6Any ideas ?It's like there is no horizontal sync.Statistics: Posted by Mark_S — Fri...
View ArticleGeneral discussion • Urgent Project Question
I need to know how to make two VLC player tabs or how to play two videos at one, on loop, one on each of two monitors. Any Ideas and/or solutions?Statistics: Posted by AdenEwald — Fri Mar 08, 2024...
View ArticleC/C++ • pigpio i2c_open() returns the duplicate handle for two distinct...
I hope that this is something ignorant on my part, but I have looked for anything similar here and on the net, and have not found it.I am using pigpio_if2 to read and write to sensors connected to a...
View ArticleTroubleshooting • Issues with my rpi 4b
My rpi4 4gb refuses to boot, when i power it, the red light turns on and stays on, but the green light flickers once then stays off, after that it does nothing, it doesn't post, doesn't boot, the...
View ArticleBeginners • Unable to update Bootloader version - Raspberry Pi 5 / Ubuntu...
Hello community !..Work in progress.Still have lots of instabilities with my Pi 5 (8M). Trying to "Update" my version of Bootloader. Run Raspberry Pi Update Raspberry Pi OS to get the latest version...
View ArticleGeneral discussion • GPIO Pin Extenders
Hi there,I need GPIO extenders so my students can use the new RPi5 with the red case on it. Would any extenders that worked with RPi3 work fine with RPi5? Just checking to make sure before I...
View ArticleBeginners • Problem with USB3 port
Hi!When i connect my sata disc with usb-sata adapter (asm-105x) on the usb3 port on my Rpi5 then my mouse is laggy and my keyboard are unusable (both bluetooth). When i connect to usb2 port then all...
View ArticleCamera board • PiCamera2 - simulated camera?
For testing purposes - it would be handy if there was a simulated (or emulated, not sure which) PiCamera2.My use case is mainly is that my development is split between real Raspberry Pi + Pi Camera3...
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