C/C++ • Re: arm-linux-gnueabihf cross compiler and Pi Zero / pre model 2 Pi
Code: -mfpu=vfp -march=armv6zk -mtune=arm1176jzf-sIn Debian, armhf refers to ARMv7, not ARMv6. The arm-linux-gnueabihf cross-compilers in the Debian repos compile for ARMv7, they do not support...
View ArticleGeneral discussion • Re: Raspberry pi 3.5 inch display
I have a waveshare raspberry pi 3.5 inch display and I have all the drivers installed but recently my raspberry pi won't display over micro hdmi or 3.5 inch display until I remove the 3.5 inch...
View ArticleAdvanced users • Re: Image File Utilities
Since about 2 years the daily image backups of my RPi4 run perfectly and were stored on my Synology NAS.Unfortunately, since 2 days this no longer works and I get the following error...
View ArticleTroubleshooting • Re: Updating initramfs in chroot causes shutdown
What OS distro and version?Statistics: Posted by bls — Sat Aug 31, 2024 5:34 pm
View ArticleGeneral • Re: Pico Debug probe UART not working
Ok. I changed some things to see if it was something on the ports in the Ubuntu... I switched to my Raspberry Pi 4 running Bullseye. I have my Pi Debug probe plugged into the RPi & it is working...
View ArticleOther projects • Re: How to personalize code for thermal printer photo booth
I am using buster w raspberry pi 3 v2Statistics: Posted by ashhbrownn — Sat Aug 31, 2024 5:35 pm
View ArticleGeneral • Re: RP2350 Errata E9 and PIO
In CircuitPython, for chips that don't have built-in capacitive touch detection, we connect a 1M external pulldown (and of course disable the internal pulldown). To do touch detection, we bring the...
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Automation, sensing and robotics • Re: Input/suggestions on a dc motor...
Guess you want to use a common brushed DC motor. And you do not need reversing direction.Then use a plain MOSFET power transistor AND a flyback diode for the motor. Do also add an EMI filter for the...
View ArticleGraphics, sound and multimedia • Re: PeppyMeter not working
Let's make a baby step first. Just use any WAV file with 'aplay' utility and see if it works:aplay -D peppyalsa file.wavStatistics: Posted by peppy.player — Sat Aug 31, 2024 5:38 pm
View ArticleSDK • RP2350: systick gotcha - FYI
I use systick on the rp2040 to time short periods e.g. WS2812 timingsOn the RP2040 and on every STM32 I've tried the following works:Code: #define...
View ArticleAdvanced users • Re: Running Raspbian from USB Devices : Made Easy
What is the simpliest way to run OS from pendrive on Raspberry Pi Zero WH? I have SDCard and OTG cable. I don't have HDMI for Pi so I rely on SSH.I tried the metod with installing OS on pendrive and...
View ArticleBeginners • Re: How to personalize photobooth code???
If you add this line before the while loop in thermal_printer_camera.sh, it will display the image from /home/pi/scripts/mypic.jpg, then wait for the shutter etc.Code: gpicview...
View ArticleGeneral • Re: A tiny Raspberry Pico shell with flash file system, vi, and c...
pshell sucessfully ported to RP2350. Now supports both Pico and Pico2.Code: Pico Shell - Copyright (c) 1883 Thomas EdisonThis program comes with ABSOLUTELY NO WARRANTY.This is free software, and you...
View ArticleBeginners • Re: Control GPIO with shell
Try using the built in command line program pinctrlCode: pinctrl set 4 op dh will set GPIO4 highOther linux computers might use libgpiod, so we dont need to know memory addresses.Statistics: Posted by...
View ArticleAdvanced users • How to detect Raspberry Pi 5 is power on through GPIO
And I mean powered on, not just powered.I tested 3V3, 5V shorted to GND with 3k3 resistor and that power detectable here as well.The purpose is to use PiKVM to monitor another Raspberry Pi, I can...
View ArticleAdvanced users • Re: How to detect Raspberry Pi 5 is power on through GPIO
Maybe get it to send a message or flash an LED when it starts up i.e. power on and OS starts running a program.Statistics: Posted by neilgl — Sun Sep 01, 2024 5:20 pm
View ArticleAdvanced users • dtoverlay=gpio-shutdown, on RPi4
Hi allIn the past, I was recommended to add this line to the config.txt file:Code: #Making GPIO3 (HW Pin5) a Shutdown+PowerUp Pin (Connect it to Gnd to...
View ArticleBeginners • Re: Capturing live video from UVC webcam and sending it to HDMI?
My webcam can do: 'MJPG' (Motion-JPEG, compressed) Size: Discrete 1920x1080'H264' (H.264, compressed) Size: Discrete 1920x1080and others.Statistics: Posted by neilgl — Sun Sep 01, 2024 5:26 pm
View ArticleBeginners • Re: Please help on NVMe RPi 5
1. We really want the black casing ONLY if someone say they have it and work fine. The box is nice and everything protected inside a box. Plugging external SSD is less reliable. The USB plug can...
View ArticleTroubleshooting • Re: Rescuing a broken installation - Deleted 'libc.so.6'
Thanks for the suggestion but I think I'm out of luck. I've lost all remote connections but can see a desktop with a monitor attached. Unfortunately clicking anything either does nothing, produces an...
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