Quantcast
Channel: Raspberry Pi Forums
Browsing all 4848 articles
Browse latest View live

General • Re: Pico 2 RISC-V - Slow....

I know tweaking ISA extensions can change code performance significantly. Vivado allows this to some extent. This assumes the compiler picks up on the extensions and makes the correct adjustments....

View Article


Raspberry Pi Connect • Re: RaspberryPi Connect not working

This looks pretty similar to another report I'd seen recently, where the session wasn't being populated with the full environment (so systemctl, for example, would fail to run).If you run the same...

View Article


Troubleshooting • Re: Raspi 5 seems unable to access SD-card

I'm currently working on my first project and I want to power my Raspi 5 with 8 1.5v aaa batteries, which yield a max voltage of around 12v.AAA batteries can supply about .5 to 1amp for a short...

View Article

SDK • Re: RISC-V cross-compiler on Raspberry Pi 4 Ubuntu 22.04?

This details how I built my RP235X RISC-V compiler and toolchain for my Pi 4B running Raspberry Pi OS Bookworm 32-bit and should work for 64-bit - viewtopic.php?p=2245570#p2245570That is described as...

View Article

MicroPython • Pico & Micropython - .value(x) doesn't seem to work

In my project, I have two input pins 6 & 7 ( physical ) defined as interupts. And two pins 8 & 9 defined as outputs. The latter two have alias RLA01 & RLA02 which I wish to use to drive...

View Article


Troubleshooting • Re: RPI-Clone & Bookworm

Hi Framp,Got it and follow-up guidance appreciated! Still learning and hopefully, I'm following posting rules correctly.1. I noticed as well, added for your review, and not sure how/where this code...

View Article

SDK • Latest VS Code extension: error with example project

I just installed the new VS Code extension, which installs the SDK and examples. My platform is Windows 10 Pro.Decided to test by creating a 'blink' project from the example. At the completion of the...

View Article

Camera board • Re: Using Global Shutter camera to trigger external hardware

Thanks. That helped. There is a little burst of trigger pulses between picam2.start() and picam2.stop(). In part, I can reduce these by setting a long framerate value, but I am not sure it is an...

View Article


Other RP2040 boards • Re: Olimex RP2040-PICO-PC for Raspberry Pi Pico

Or they have their own Support Forum: https://www.olimex.com/forum/Which includes this - https://www.olimex.com/forum/index.php?topic=9260.0 - which may or may not help.I'd also recommend asking on...

View Article


Beginners • Re: Upgrading to PI 5.

Thanks for your replies, particularly the photos of the boards side by side.I have not looked at my Pi 3 for quite a while. It originally came with a power supply, HDMI cable, box and various other...

View Article

Other RP2040 boards • Re: Breadboard friendly RP2350B board?

There's an unofficial 'Pico 2W' development board described here - https://www.hackster.io/emrelimustafase ... cal-d7dc38 - which uses an RP2350B, employs an ESP32C3 to provide wireless, seems to have...

View Article

SDK • picotool 2.0.0 is installed, cmake says it can't find it

I built picotool 2.0.0 and installed it with sudo make install.Code: $ which picotool /usr/local/bin/picotool$ picotool versionpicotool v2.0.0 (Linux, GNU-10.2.1, Release)Now in my first-ever attempt...

View Article

Raspberry Pi Connect • rpi-connect with rotated screen: wrong mouse directions

Hello,I have my physical screen rotated by 90° with screen configuration.When I connect with rpi-connect I can see my screen correctly rotated, but the mouse movements are not rotated.It's really hard...

View Article


Raspberry Pi OS • Re: [Windows] How to flash through command line?

Thank you, will look into that, do you know if i can still use sdm when i dont want to flash a disk / sd card but instead use a eMMC module?I haven't specifically tested that. If you mean a CM4 device...

View Article

Image may be NSFW.
Clik here to view.

General discussion • Re: Raspberry Pi 5 discussion thread

The official power supply is sold for 14.62 GPB here (official reseller). I paid 4.50 GPB for the one i bought (including the cable). For 10 pounds, i can buy 1 KG of ground coffee, which would last...

View Article


Beginners • Re: HEEEELP PLEASE!

I don't know why they'd tell you to use a browser to connect to the pi as there is no web server running on the Pi when you flask a new OS to it. That is why you get the browser screen telling you...

View Article

SDK • Re: picotool 2.0.0 is installed, cmake says it can't find it...

Since the SDK wants to use standard cmake find_package() to look for files in standard locations, but the picotool install didn't put them there, my guess is picotool. But then that's just me...

View Article


Image may be NSFW.
Clik here to view.

General • Re: control a set of 15 inputs that output 15 outputs on Pico

Code: from machine import Pin,Timerimport time# setup gpios for buttonskeypadColPins = [0,1,2]keypadRowPins = [3,4,5,6,7]row = []col = []for i in keypadRowPins:...

View Article

Troubleshooting • Re: After restarting, won't start properly

any more ideas that I could test without buying an entirely new SD card?Statistics: Posted by asd24sa — Thu Aug 22, 2024 4:41 pm

View Article

Troubleshooting • Re: Getting "Install an OS on this Raspberry Pi"...

Hi Trevor and thank you for your replySome keyboard dongles are also mouse dongles (probably to support a touch pad if there is one) and vice-versa for mice dongles.Are you using a separate wireless...

View Article
Browsing all 4848 articles
Browse latest View live