General • Re: Science Fair Project - Barcode Scanner to Pi Pico to SD Card to...
I am specifically having problems with figuring out how to connect said barcode scanner to the pico.An OTG Cable then plugging the scanner into that while the Pico runs in USB Host Mode should be...
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General discussion • Re: RPi5 : tasksel -cinnamon- changes not reflecting
the raspberry os lite + cinnamon-core is much better, still a lot of stuff, but much better then the task-cinnamon-desktop.now i just gotta remember how to use cinnamon and run through the settings....
View ArticleBeginners • Re: PI5 Graphics Quality Problems
I used a spare SD card and installed the 64-bit latest Raspberry PI OS onto it. There was nothing referencing window tiling in the default wayfire.ini file. I tried editing the wayfire.ini file and...
View ArticleAdvanced users • Serial port config not portable between Pi5 and other Pis
As I read /bin/raspi-config, the config.txt setting for a Pi5 is Code: dtparam=uart0=onwherease the config.txt setting for all other Pi models isCode: enable_uart=0Not a problem for me, but this does...
View ArticleAdvanced users • Re: Is everyone happy with the quality of libgpiod?
I've installed the ver 2.1 libgpiod on my Pi 3a 'bullseye' system. A bit of a pain (compared to `apt install ...`) , but I think I have gotten all the pieces in the right places. Do you have any How...
View ArticleTroubleshooting • Re: USB boot requires a high current (5V 5A) power supply....
Found it -taking the power supply out of the wall outlet (edit: and putting it back in) seems to have fixed it.Probably the power supply has a small bug inside.Statistics: Posted by hippy — Sat Dec...
View ArticleSDK • Cryptographically Secure Pseudorandom Number Generator
Hello,How would I go about implementing a CSRPNG on the RP2040?In MicroPython there is:Code: uint8_t rosc_random_u8(size_t cycles) { static uint8_t r; for (size_t i = 0; i < cycles; ++i) { r = ((r...
View ArticleGeneral • Low power advice.
Hello All. New to the Pico and new to the forum. I have a simple program which lights up a WS2512B Neopixel strip one direction when one of the touch sensors is pressed and lights up the strip from...
View ArticleNetworking and servers • raspian image in rpi that runs docker
is there a way to containerize a raspbian install and run it under docker that is installed on a raspberry pi, wanted to do this to let somebody else use the raspberry pi but in a safe sandboxif there...
View ArticleGeneral discussion • Re: Bullseye Package Upgrade Problem
Code: sudo dpkg --configure -aorCode: sudo apt install --reinstall openssh-server sshStatistics: Posted by kerry_s — Sat Dec 23, 2023 11:58 pm
View ArticleTroubleshooting • RP4 not detecting External HDD
Hi am using a Raspberry Pi 4 and have been using the latest version of Raspbian.I bought an external hard drive and plugged it in. It's not being detected by the system.This is the hard...
View ArticleSDK • Re: Problem with WS2812_Parallel example past 7 rows
Before anyone says it, I have moved UART0 output that SDIO uses by default over to GPIO pins 16/17.Even if I hadn't and that was the issue, I would have seen GPIO0/1 not work for PIO for the example's...
View ArticleGeneral discussion • Re: Raspberry Pi 5 discussion thread
psz wrote: ↑Sat Dec 23, 2023 6:20 pmI've set up the Raspberry PI5 device, but I can't update the system because it's asking for authentication. What should I enter here?Does your usual user password...
View ArticleTroubleshooting • Re: RP4 not detecting External HDD
Is this a power issue?Possibly, possibly not. In the words of Number Two "We want information":Did you mean Raspberry Pi OS? Raspbian is not the same thing.What are you using to power your PiWhat else...
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General discussion • Re: Pi 5 Delivered Damaged
Lot's of good replies guys, and I thank you all. Much appreciated xI was more angry at the 'timing' of the problem, aka, it was for someone's Xmas present. That has all gone out the window now...
View ArticleAdvanced users • Re: Power RPi 4B through header so I can use USB-C as OTG...
If you have nothing else plugged into the Pi 4 it will consume around 600mA when idle, and perhaps 1.2A when stressed. Your PC USB port can probably provide that, in which case you'll be fine to just...
View ArticleSDK • Accessing ROM memory from SM issues
I have been playing around with state machines and previously was using a ram based buffer for data reading and was feeding data to a external device via the SM. I now have a requirement to use up to...
View ArticleGeneral • Re: Pico reset when controlling 12V DC motor through relay
I would consider a diode and large capacitor to feed the 29V to the buck converter, so that if the motor surge drops the 29V significantly it will have minimal effect on the buck converter.If the up...
View ArticleTroubleshooting • Re: black menus since upgrade
i think where talking about 2 different versions herethe 1 i'm working on is bookworm, the desktop is wayland/wayfire. the current recommended raspberry osthe 1 you seem to be on is bullseye, it uses...
View Article日本語 • Re: ラズパイから0～5Vを取る方法
回答ありがとうございます。1. ワコー技研 ABH3-4042. 24V 8A3. 自動車用12Vバッテリを直列24Vで使います。こんな感じになります。レベルシフター回路に関して少し調べてみます。ありがとうございます。Statistics: Posted by T.T.T.T — Mon Dec 25, 2023 12:58 am
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