General • Re: I can't detect I2C devices on pico2 RP2350
There's something else. Signals on logic analyzer look valid, except missing scans above 0x1F (which didn't happen to me).I would insist there, the shown signals are from 0x16 and 0x17, but the...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Touchscreen not being detected by i2cdetect
Hello, I'm trying to use this SPI + I2C touchscreen which uses the FT6336U driver with my Raspberry Pi Zero 2W. I have already set up an overlay for the SPI part (for the image) and now I want to get...
View ArticleBeginners • Re: Old rpi4 server /boot is almost full
I was always checking the /boot/firmware folder whci has the following files:Code: /boot/firmware $ lsbcm2708-rpi-b.dtb bcm2710-rpi-3-b-plus.dtb bcm2712d0-rpi-5-b.dtb config-6.6.62+rpt-rpi-2712...
View ArticleTroubleshooting • Re: No touch on Adafruit 2.8" PiTFT Capacitive Touch...
If the touch is inverted, then you can add overrides of "touch-invx", "touch-invy", and "touch-swapxy" to get the kernel to swap the touch co-ords around.Thanks. Lots of experimental reboots later,...
View ArticleTroubleshooting • Re: Apologize in advance
https://github.com/raspberrypilearning/astro-pi-guidehttps://sense-hat.readthedocs.io/en/latest/Statistics: Posted by craigevil — Thu Apr 03, 2025 5:30 pm
View ArticleAutomation, sensing and robotics • Re: Digital potentiometer
I need to control the resistance between 1.7K Ohms and 2.2K Ohms with a Raspberry Pi 3 (possibly might be using a Zero W instead).I assume I need a digital potentiometer, but how do I control it with...
View ArticleTroubleshooting • Re: segmentation fault
thanks for that info. after some research I was able to utilize homebrew ‘e2fsprogs’ which enabled the ability to run the command from my mac terminal:$ sudo e2fsck -f -y /dev/disk4s2e2fsck 1.47.2...
View ArticleAdvanced users • Re: config.txt ignoring cmdline= in some cases
I have the following code in my config.txt:Code: # Set GPIO 0 & 1 to gpio input with pull-up enabledgpio=0-1=ip,pu[all][gpio1=0]gpio=1=ip,pu#gpio=0=op,dlcmdline=rescue.txt[all]#gpio=0=op,dlThat...
View ArticleTroubleshooting • h265 hardware acceleration is broken
After updating my Pi 5 yesterday, I now no longer seem to have h265 hardware acceleration. Running drm_info -j | jq 'with_entries(.value |= .driver.desc)' says it failed to retrieve information from...
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