Advanced users • Re: Shared GPIO bus between multiple Pi
If anyone is still interested I've decided ona a work around.My main reason for wanting things permanently connected was to avoid issues like misaligned connectors and bent pins.The work around?1 x...
View ArticleBeginners • Re: Rpi 5 and Pan Tilt hat
Well you could use the sysfs for the PCA9685First Enable the I2c, reboot, connect your PCA9685 on I2C-1 (gpio2 & 3).To check if you see the PCA9685 do a i2cdetect -y 1Code: daniel@Pi5:~ $...
View ArticleMedia centres • Re: Peppy player
Please try this fix for the Radio Browser favorites selection:https://github.com/project-owner/PeppyP ... oesnt-workWhen you make a long press and come back to the player screen you should see a small...
View ArticleGeneral • Re: Can I use a Pico to drive the PWM pin of an LED driver that has...
I'd be inclined to add a buffer transistor or optoisolator. It would have been nice if the input to the module was an optoisolator, but because you saw a voltage on the pin when it was powered and not...
View ArticleTroubleshooting • Re: Turning off all LED of RPi 5
with latest rpi-update on rpi5, everything is off with the following for medtparam=eth_led0=4dtparam=eth_led1=4dtparam=act_led_trigger=nonedtparam=act_led_activelow=offStatistics: Posted by badz — Sat...
View ArticleMicroPython • Re: Pico requested vs measured I2C SCL frequency
I thought that perhaps the IC_FS_SCL_HCNT_1 and IC_FS_SCL_LCNT_1 values could be interposed. I would try to make the high time greater than the low time (opposite to what MicroPython calculates).Code:...
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Compute Module • Re: CM4 custom board HDMI not working properly
Two first issues with the PCB are grounding and grounding. Impedance matching is of course important as well as matched lengths. BTW, have you checked that PCBs you ordered matches calculations? PCB...
View ArticleGraphics programming • Re: Disabling /dev/dri/cardX in Pi5
Raspberry Pi 5 creates two different /dev/dri/card0 and 1 for VGA and HDMI instead of a single card like previous models.That's not what's happening. AFAIU card0 is the 3D rendering card (used by...
View ArticleOfficial Display • Re: Official 7" Display not always initializing
As a lot of people are viewing this thread, but noone is responding, here a few more infos (which will lead to ideas hopefully):I tried commenting out dtoverlay=vc4-kms-v3d in...
View ArticleSDK • Re: How debug a Pico without the elf?
I tried arm-none-eabi-objcopy -I binary -O elf32-little --change-section-address .data=0x08000000 pt52lua_lostver.bin output.elfbut then radare2 -w arm -b 16 output.elf doesn't seem to work.If that...
View ArticleCompute Module • Re: VL805-06 chip.
You're welcome.Statistics: Posted by GTR2Fan — Sun Mar 17, 2024 9:52 pm
View ArticleRaspberry Pi OS • Re: Power button for RPi4
Grounding GPIO 3 will still turn the Pi 4 on, even if i2c is in use. And you can use an alternate pin for the shutdown dtoverlay.For example, pin=17 is GPIO 17 physical pin 11.Code:...
View ArticleCamera board • Re: HQ Camera external sync signals support added
Hello, I am attempting to sync two HQ cameras using a pi 5. Previously I was able to set up two hq cameras using a pi 4 and zero and get the frame sync to work with one working as a source and the...
View ArticleOfficial Display • Re: Will we see a new 7in and a brand new 5in official DSI...
1280 x 720 would be a nice upgrade over the current 800 x 480. And if it makes using the touch panel with my knubby fingers easier then all the better.Statistics: Posted by alphanumeric — Sun Mar 17,...
View ArticleCamera board • Re: Global Shutter camera swaps Red and Blue colors
Yes, same for more.Works on older version.ThanksStatistics: Posted by konikseb — Sun Mar 17, 2024 10:41 pm
View ArticleTroubleshooting • Re: Using systemd and xinit to run feh on startup
you should be using the lite version.set it to auto login at cli & add to .profileCode: [ "$(tty)" = "/dev/tty1" ] && exec feh --fullscreen --quiet --slideshow-delay 10 -f...
View ArticlePython • Re: How Do I Open Audacity With Python?
I don't know what I'm supposed to do to make Audacity successfully open on start up.So you didn't read the suggested documentation then? It covers that in detail.Statistics: Posted by rpdom — Mon Mar...
View ArticleGeneral discussion • Re: My RPI 5's PCIE connector came off. Which way does...
on the rpi5 board the brown part go's up and down to lock/unlock.you want the cable with the blue tab facing out.on my nvme x1001 the connector flips up/down.Statistics: Posted by kerry_s — Mon Mar...
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Interfacing (DSI, CSI, I2C, etc.) • Re: Collecting a Bluetooth device list
Are you planning a Pi per person, or expecting all the people's Bluetooth devices to connect to 1 Pi? Your question is not particularly clear. A host device can typically only support 7 connections.I...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Simple-audio-card I2s audio issues...
A little update on this, it seems to be broken again on the latest Rasperry OS versionCode: Linux raspberrypi 6.6.20+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.20-1+rpt1 (2024-03-07) aarch64...
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