Interfacing (DSI, CSI, I2C, etc.) • Re: Raspberry Pi as PCIe expansion card
I've given this some thought, and I think it's time I wrap this thread up, at least for myself.This post was about prior work on a topic. I got a few references to follow up on. Thank you to those who...
View ArticleTroubleshooting • Rendering problems with Chromium on RPi 4 & 400
Surely I'm not alone with rendering trouble with Chromium. I'm getting inverted screens, flashing screens, blank spaces - especially when rendering video. I'm seriously thinking of moving over to...
View ArticleTroubleshooting • Re: Rendering problems with Chromium on RPi 4 & 400
Give us a clue!Is this a fresh install of Pi OS Bookworm 64bit fully updated?What screen? What resolution? Not connecting over VNC!?What psu?What spec urls are you looking at?No issues on my Pi5,...
View ArticlePython • Re: error: externally-managed-environment
But is there a specific reason for using virtual environments? This looks pretty authoritative...Externally Managed Environments - https://packaging.python.org/en/latest/ ... vironmentsStatistics:...
View ArticleTeaching and learning resources • Installer for Sonic PI 4.6 for Raspberry Pi
You can now download and install a binary deb file for Sonic Pi 4.6 which I have built to run on a Raspberry Pi running the official raspberry pi bookworm (64bit version) OS. I have tested the...
View ArticleBeta testing • Re: raspi-config not showing "Beta Access" option in...
A fix for this has been uploaded to apt and should be available in the next few hours.Statistics: Posted by spl23 — Thu Jul 03, 2025 2:29 pm
View ArticleGeneral discussion • Cannot upgrade due to libhogweed4:armhf missing final...
I'm trying to upgrade a device and running into this issue. How do we report package errors to maintainers?Code: # apt-get -y upgradeReading package lists... DoneBuilding dependency tree......
View ArticleMicroPython • Re: Problem with NEXION HMIs with Micropython on an RP2040
in the module nex.py, you should create a variable ok = False # possibly a good initializer valueIn the main code, Code: ... while True: nex.ok = False nex.nex_return() if nex.ok: # nex.ok=False # for...
View ArticlePython • Re: Sending lists over UART with Python
Last night I spent some time working on it, and the solution I'm at right now is running a wire from the GPIO pins of the Raspberry Pi 5 to the Pico, and when the data has been sent, then turning on...
View ArticleTroubleshooting • Re: Help with Calibrating Dual Touchscreens on Raspberry Pi...
first see if the touch coordinate plane is the same size/aspect as the visual display and if not, stretch it accordinglythen multiply that matrix with the left-side matrix, or whatever.you can put the...
View ArticleGeneral discussion • Re: Raspberry Pi 4 battery powered?
Hey, I’m trying to make a handheld emulation console with a cm4, and I’m wondering how to power it, I can’t seem to find straight information, some people say I need 2 Amps some say 3. Then I also...
View ArticleBeginners • Re: Can not get wifi connection Pi 5 to OpenWRT router working
And this output in the file:Code: ** nmcli general statusSTATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN disconnected none enabled disabled missing enabled ** nmcli device statusDEVICE TYPE STATE...
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Camera board • Re: Complete Guide: Raspberry Pi Zero 2 W USB Webcam Setup
## Step 1: Fresh OS Installation1. **Download Raspberry Pi OS Lite** from the official websiteDoesn't need to be lite. This will work with the Desktop images too.Imager does the download for you so...
View ArticleTroubleshooting • Re: Is my Pimoroni BME280 faulty?
Are you using the kernel module to access your BME280? Or are you reading the I2C/SPI stuff by hand?I have a BMP180 that I access by reading Code:...
View ArticleTroubleshooting • Arduino Nano ESP32 Keyboard HID does not work with...
I am making a little device that uses a digital encoder to send the key codes for up arrow, down arrow, and Enter (Return) to a Raspberry Pi 4B where it will control a kiosk-like menu system.The...
View ArticleAutomation, sensing and robotics • Re: Trying to Control JF-0530B 12V...
GND from the RS485 adapter must be connected to the relay module.The RS485 bus needs to be terminated in order to function. Fail-safe resitors are recommended.Application...
View ArticleMicroPython • Re: Error when converting a float to an int
perhaps this helps:viewtopic.php?t=319525Using stock MicroPython -Code: MicroPython v1.26.0-preview.142.ga1ee42cd3.dirty on 2025-05-21; Raspberry Pi Pico 2 W with RP2350Type "help()" for more...
View ArticleCompute Module • Re: CM4 Not Entering USB Boot Mode (PoE 4G Board) – Possibly...
usbboot only works on linuxStatistics: Posted by wcl55 — Fri Jul 04, 2025 3:16 pm
View ArticleAutomation, sensing and robotics • Re: Reading JSON from Arduino via Serial...
Code: if (serial.available() > 0): data = serial.readString() # read available data as string print(data) return dataThat is going to truncate data at times.If some data has arrived, but not all,...
View ArticleRaspberry Pi OS • Re: nmcli of a bridged wifi access point?
If you want to use the Pi just as an AP then you could consider OpenWRT.You setup the Wifi interface without DHCP and use relayd to 'bridge' the Wifi and wired network.Statistics: Posted by jj_0 — Sat...
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