Troubleshooting • Re: RPi5: GPIO behaviour reversed from expected
Might be an active low relay module, can you post a picture of it?Statistics: Posted by neilgl — Fri Oct 25, 2024 7:34 am
View ArticlePython • Re: MemoryError: memory allocation failed, allocating 21858 bytes
@DS256I cross compile my PICO uPython programs on the host computer I'm running Thonny from. I then copy the .MPY back to the PICO.Do you mean the .PY file?I can't find any .MPY filesStatistics:...
View ArticleSDK • Re: Tight timings PIO + USB, how to do it?
Just an idea, something like Si5351, not sure if it's reasonable cost, but it has OTP and I2C.Yes, it's a nice idea. For 12MHz + "the frequency I originally wanted", two xtal oscillators and control...
View ArticleOff topic discussion • Take a Shot with Nikon & Canon
Take a Shot with Nikon & CanonCanon EOS R3, Canon EOS R5, Canon EOS R6, Canon EOS R7, Nikon Z9, Nikon Z 7II, Nikon Z7 Mirrorless Camera, Nikon D6, Nikon D850, Nikon D780, Sony Alpha A7R III , Sony...
View ArticleGeneral discussion • Bluetooth headset (with mic) on Pi Zero 2W Bullseye
Hi all,I'd like to be able to use a Bluetooth headset (e.g., a gaming headset with earphones and a microphone) on a Pi Zero 2W. The Pi is currently running 64-bit headless Bullseye: "Raspberry Pi OS...
View ArticleGeneral • Re: Compatibily uf2 files
OK, with change GPIO21 to GPIO5 all works well !!Thank's for help !Statistics: Posted by yabba235 — Sat Oct 26, 2024 5:37 am
View ArticleAndroid • Re: [DEV] LineageOS 21 (Android 14) for Raspberry Pi 4 & Pi 5
I'm having trouble with TWRP on my CM4 -- the recovery process repeatedly segfaults:Code: console:/ # [ 10.127111] init: starting service 'recovery'...[ 10.132585] init: Created socket...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Using TDM I2S on the 5
The RP1 datasheet? It doesn't say anything of the capabilities wrt TDM. It only points out the Synopsys driver for a "reference implementation", which is why I post the question here, where supposedly...
View ArticleAutomation, sensing and robotics • Re: solid state relay not working as i...
- this SSR only switches AC loads- load current is 0.1 A to 2A * For tests use a legacy bulb (no LED) with min 30W@220VAC- load voltage is 75 to 264 VAC *, so not suitable for low voltage...
View ArticleGeneral • Re: RPi Pico W : USB Device Malfunctioned Issue
even when i press the BOOTSEL button and plug the usb cable into my pico w i get an error on windows saying USB Device MalfunctionedStatistics: Posted by mubamistry2520 — Sat Oct 26, 2024 6:51 am
View ArticleTroubleshooting • Re: dnsmasq refuse SOA <Root> requests
Changed toauth-server=mypi.domain.local,wlan0/4 then SOA <Root> was not refused- Beats me whyStatistics: Posted by MatsW — Sat Oct 26, 2024 7:40 am
View ArticleBare metal, Assembly language • RPi 5 always-on GPIO (bcm2712 gio_aon)...
I'm making a simple blink bare-metal example program for the Pi 5, and I wanted to blink the on-board green (ACT) led.According to the linux kernel files, the ACT led is connected to GPIO 9 of...
View ArticleBare metal, Assembly language • Re: RPi 5 always-on GPIO (bcm2712) control
I think it's actually starting from 0x107d517c00 (having the "0x10 prefix") according to this reddit post: https://www.reddit.com/r/raspberry_pi/c ... are_buttonCode: $ sudo grep -i gpio...
View ArticleAutomation, sensing and robotics • Re: 2 Relays Module with JD-VCC
The referenced pdf file shows the schema of the board. Compare with the schema in viewtopic.php?f=91&t=83372&p=1225448#p1225448 Do not use the jumper shown in the image on J5. Connecting relay...
View ArticlePython • Re: Pygame on Raspberry Pi looks very weird
Try this:Code: #!/usr/bin/env python3import pygameimport sysred = (255,0,0)black = (0,0,0)test_box = pygame.Rect(10, 130, 80, 60)pygame.init()screen = pygame.display.set_mode((0, 0),...
View ArticleTroubleshooting • Re: I want to use ky-013 for raspberry pie pico.
... and the constant 65335 in "temp = math.log(10000.0 / (65335 / read - 1))" should be 65535 == 0xffffThank you for the correct information.As you said, I modified it as the code below.But among what...
View ArticleCamera board • Re: "Or Better"?
In mergeviews, I'd put it round here:Code: request_2 = cam2_request if request_2 is None: return request_2.acquire()and in save_request it probably only needs to go round "cam2_request.release()", but...
View ArticleBare metal, Assembly language • Re: RPi 5 always-on GPIO (bcm2712 gio_aon)...
Just wanna say that it works perfectly! Thanks a lot For anyone who stubles upon this, there's two relevant registers: GIO_IODIR (at 0x107d517c08; sets the GPIO direction - 0 is output, 1 is input)...
View ArticleRaspberry Pi OS • Re: how to make apt (-install) work again for Stretch?
WHY do you WANT to use apt on Stretch? There will NEVER be any updates and it is unclear WHAT you want to do. If you explained you might get more helpful responses.It is quite simple to run apt if you...
View ArticleCamera board • Re: How to optimice low latency video streaming from Picamera2...
I have tested with different settings all the result is about the same delay of 500 ms.Tests:create_video_configuration set to buffer_count=1, Delay of 500 mscreate_video_configuration set to...
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