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1500 questions
9
votes
1 answer
How do I bit bang I²C master?
I've installed RPi.GPIO. It doesn't support I²C yet, but can I use it to bit bang I²C?
I would just need the Raspberry Pi to be the master.
John La Rooy
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9
votes
1 answer
What tailored OS distributions exist?
Is there already a specific tailored distribution for the Raspberry Pi?
My specific concern is about the lifetime of the SD card hosting the OS image.
Other distro addressed that like, for instance, Voyage Linux for the Alix board.
ziu
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9
votes
2 answers
Starting Pi 4 with global_en
It seems that those pins can be used to start Pi 4, but I am not sure exactly how. Can a Pi 4 start after having been shut down by the shutdown menu, if I connect the two holes like below for a short moment?
For what it's worth, I have set the…
Damn Vegetables
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9
votes
1 answer
What is the minimum power required for an RPi 4 in `halt` or `shutdown`?
I want to use a RPi 4 in a remote, unattended, battery-powered application. In this application, the RPi 4 will spend most of its time inactive, awakened only by either a Real Time Clock (RTC), or a sensor. Either the RTC or the sensor will wake the…
Seamus
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9
votes
2 answers
Issues installing RTL8812BU WIFI driver on Raspberry Pi 4 B
Recently, I bought a USB3 WiFi adapter with the RTL8812BU chip (Supports Linux).
I have spent 5 hours so far trying to install the Linux driver for the chip on my Raspberry Pi 4.
Apparently, I am not able to do this on my own so I hope that you guys…
Stefan R.
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9
votes
3 answers
Are all of the devices the same?
I just saw a picture of a Pi on the Element 14 website, and noticed some of the components are different colours and shapes to my Pi, (which was from E14).
The colour of the RCA plug (Mine is black, not blue)
Colour of the Audio jack (Mine yellow,…
ACarter
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9
votes
6 answers
What causes Raspberry Pi to reliably drop SSH connections: `client_loop: send disconnect: Broken pipe`
The Issue:
SSH connections from a Macbook (Catalina - the SSH Client) to an RPi 4B (Buster, Linux v 4.19.97-v7l+ - the SSH Server) are reliably dropped at random times, but SSH connections from the same Macbook to an Ubuntu Server (18.04 LTS -…
Seamus
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9
votes
3 answers
How to install Nodejs v12 on Raspi Zero (ARMv6 not available for download anymore)?
I used to install nodejs12 on Raspbian by simply adding the repo and using apt:
sudo su
curl -sL https://deb.nodesource.com/setup_12.x | bash -
apt install -y nodejs
But with a fresh install of Raspbian Buster I just got this message when adding…
kramer65
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9
votes
2 answers
Pi 4B Won't boot without HDMI cable plugged to Monitor
I am a beginner with Pi. I got a Pi4 with 4GB ram and Rasbian Full Desktop installed, SenseHAT attached as well. I did the wpa_wifi config file and it works fine, will connect to WIFI with Monitor attached.
When I try to boot Pi4 without HDMI…
Yitasha
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9
votes
1 answer
Distinguishing RPi4 models with USB-C issue and without
The first model of the RPi4 seems to have an issue with USB-C, as reported by ArsTechnica in July 2019. The effect is that E-marked cables do not work well.
The Raspberry Foundation has confirmed this issue and wanted to provide a fixed variant in…
Thomas Weller
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9
votes
2 answers
Check power usage of pi via terminal
How can I see what the power consumption and/or distribution of my pi is via terminal?
I can only connect to the pi in question via ssh. So I can't see the "lightning bolt".
I am concerned about something plugged into the pi's 5V pin, and would…
Qntn Yvrny
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9
votes
2 answers
How can I cross-compile to the Raspberry Pi using Clang/LLVM?
I would like to cross-compile C-family languages (C, C++, Objective-C, and Objective-C++) to the Raspberry Pi using Clang and LLVM on a build computer of a different architecture. How may I do this?
fouric
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9
votes
2 answers
How am I supposed to set GPU memory in RPi4?
I have been using RPi4 for a while and I have found some problems playing videos on VLC and YouTube. After searching for a long time, I found that these problems can be solved by increasing GPU memory. I found that option in the Raspberry Pi…
Sohan Arafat
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9
votes
3 answers
Is there any built in LED connected with GPIO pin?
In Arduino a built in LED is attached with number 13 Digital pin.
Is there any LED like Arduino in Raspberry Pi,which I can use to test my code?
Sohan Arafat
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9
votes
3 answers
Enable camera without Raspi-config
I would like to enable the raspberry pi camera without using raspi-config, as I need to do this in an automated bash script.
Anyone know how?
ended up pulling this out of raspi-config
#!/bin/bash
set_config_var() {
lua - "$1" "$2" "$3" <…
Tom
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