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General • Does AGND have to be 0v?

I'm wanting to monitor the voltage of a 2 cell LiPo battery, which will range from 8.4v to about 7v. I was going to use a voltage divider to bring that voltage down to 3.3v, but the range of input...

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General discussion • High res PicoW

The next big thing from Raspberry Pi Ltd. How do I preorder?https://datasheets.raspberrypi.com/pico ... ighRes.jpgStatistics: Posted by trejan — Tue Jan 23, 2024 2:39 am — Replies 1 — Views 158

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General discussion • Irrigation Controller for Giant Pumpkins

Okay so I grow giant pumpkins and I’m looking for advice for an irrigation controller integrating raspberry pie. I want to use a moisture sensor to take moisture ratings that controls a control valve...

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Advanced users • "Realtime" GPIO with bcm2835 (AirSpayce)library,...

Following on from my other thread... about having realtime behaviour for use within brief bursts of GPIO activity, the interval between these bursts not needing any timing consistency or accuracy.This...

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MicroPython • Inaccurate Documentation on Pi PicoW

Get started with MicroPython on Raspberry Pi Picodownloaded from magpi.raspberrypi.com/books/micropython-pico documentation is out-of-date (it doesn't appear to have any version).I was answering a...

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General discussion • How to send serial RGB data as input to LCD from...

Hello all, I'm trying to interface with an LCD, which has HX8238D Driver, So basically It supports serial RGB data with 8 pins as input, so I want to utilize this and need to send serial RGB data from...

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Beginners • "raspistill -t 0" headless

I am using a HQ camera on a Raspi 3B+. I want to focus the camera remotely, but "raspistill -t 0" does not produce an image on the screen when running headless. This command does put an image on the...

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General discussion • vlc on specified monitor rp4 bookworm

Morning,RP4 2gb with bookworm running 2 displaysHow can I play a video in VLC on a specified monitor, fullscreen and rotated?So far I have vlc --fullscreen <path to video> which is playing the...

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Graphics programming • Unexpected difference between Wayland and X11

Hi,I maintain a version of the Cura slicer for the Raspberry Pi 4/5. The UI is based on PyQT and uses OpenGL shaders. Until now, the application has been built only for X11 displays and it looks OK...

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Troubleshooting • First keypress ignored

I have Pi2 with Raspbian 11 (bullseye). After reboot at Login prompt every time the first char of username is ignored and I have to press the button again. Later everything is working. Is this known...

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Beginners • Why does Brave install on Ubuntu but not RPI OS?

I have a fairly newly acquired RPI5/8GB. I ran Ubuntu 23.x for a while, but realized that it really is resource intensive, so I've gone back to Raspberry Pi OS. All in all, though not as aesthetically...

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Advanced users • Pi 4+5 specific docs for Linux sysfs PWM interface

I am working on a package (library) to use hardware generated PWM from Golang (Go). The package is basically a wrapper around the Linux sysfs PWM interface. What I have found and worked with was this...

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General discussion • Question about nvme and official case

Is there a hat that will fit in the "official" case with the lid on without cutting any holes? I understand I'll have to switch to the active cooler also?I don't need access to anything like...

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Troubleshooting • Unstable NVME disk

Hello,I have a strange behavior with 1TB NVME disk (Crucial CT1000P2SSD8) and case Lemorele : https://www.amazon.it/gp/product/B08TWW ... UTF8&psc=1Coming back to the issue, it works fine for...

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General • Bidirectional GPIO

I am trying to use the GPIO3 pin to do bidirectional IO with the Pico SDK. I am porting an application which was written using another library for the Pico where it worked as expected.In my...

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General discussion • GSM module for Pi 3B+

Is there a gsm module where i can plug it in to my usb port on pi 3?Statistics: Posted by liolf — Wed Jan 24, 2024 7:28 am — Replies 0 — Views 66

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Beginners • Pi stopped working

Hi allTwice now I’ve had raspberry pi’s just stop working randomly. Eg recently one that I was using just disappeared from ssh and when I plug in an hdmi cable nothing comes up on the screen.What...

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Camera board • HW Encoder V4l2 add support for intra refresh

Hello,I am trying to add support for intra-refresh encoding to the (new) v4l2 h264 hw encoder driver.The reasoning behind: Intra refresh encoding is extremely usefully for live streaming, and it was...

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Python • Unsuccessful Connection when Connecting Pico to PC

Hello community,I am encountering an issue while trying to connect my Pico to my PC. When I attempt to establish the connection, I receive an error message stating "Connection Failed" or "Unable to...

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Troubleshooting • WayVNC Broken after latest Updates?

Hey,I'm really struggling here, ever since the latest EEPROM update (23 Jan 2024 is when it installed), I can't use WayVNC anymore, I just get thisuser@raspberrypi:~ $ systemctl status...

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