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Newest 'usb' Questions - Raspberry Pi Stack Exchange
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Learn more about TeamsQuestions tagged [usb]
Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.
1,739 questions
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0
votes
0
answers
26
views
USB 4G Dongle disconnect with code
Using the command lsusb i am getting the following output:
pi@raspberrypi:~ $ lsusb
Bus 001 Device 005: ID 19d2:1405 ZTE WCDMA Technologies MSM ZTE Mobile Broadband
Bus 001 Device 002: ID 1a40:0101 ...
0
votes
0
answers
53
views
Identify USB host plugged into Pico
I have a Pico attached to a USB hub switcher. This means depending on its state the Pico is connected to either a Windows desktop, or a Macbook. I want to display this on the screen I've attached to ...
2
votes
0
answers
45
views
Unable to log a mouse's scroll wheel
I am building an application on raspberry pi pico.
A USB mouse is connected to the pico, and then the pico is connected to the PC.
The pico logs the mouse's button presses and mouse's movements and ...
0
votes
1
answer
63
views
2
votes
2
answers
103
views
Adding USB drive to fstab does not mount on boot, but mounts as expected from shell
I want a USB drive to always mount when booting. I am able to mount a USB drive inserted into a Pi4 using this command:
sudo mount /dev/sda1 /mnt/usb -o uid=pi,gid=pi
sudo blkid gives this:
pi@pi:/mnt/...
0
votes
1
answer
146
views
Is it possible to make a raspberry pi be recognized as a monitor by the computer, and receive its video output?
Context
I would like to build a e-paper computer screen. The problem is that E-paper displays have a very different driving method from usual displays, as they usually have low refresh rate (something ...
0
votes
0
answers
65
views
Unable to build a project that uses pio_USB for pico
I am trying to build this project:
https://github.com/sekigon-gonnoc/Pico-PIO-USB
Unfortunately, I am not able to build it.
I am on Ubuntu 20 and I have the pico sdk downloaded.
After the cmake ...
0
votes
0
answers
35
views
Automated Installation of Custom OS on RPI5 with M.2 SSD from USB Drive
I’m working on a hobby project involving the Raspberry Pi 5 with an M.2 SSD HAT and a 256GB SSD. I’ve already created a base image of my custom OS with all the necessary software pre-installed.
I want ...
-1
votes
2
answers
70
views
Burning a large program with a library in pico
I have uploaded small programs to the pico, where you Hold the BOOTSEL button when you insert he pico the PC, then upload either the CIRCUITPYTHON or MICROPYTHON u2f file.
Then you start Thonny and ...
0
votes
2
answers
236
views
Why is this so hard!!!! Get a Raspberry Pi 5 To Send Keystrokes to a PC with Python using Blutooth
I have a project that I am close to ditching because I am frankly stuck, and frustrated as hell.
The project is to connect a touch screen to the Raspberry Pi5, and have it send keystrokes to a ...
1
vote
0
answers
31
views
RPI 4 B gpio not working when usb printer is plugged in
I have an RPI 4 model B
below is my code
import RPi.GPIO as GPIO
import time
# GPIO pin connected to the COIN pin of the coin selector
COIN_PIN = 24
# Setup GPIO
GPIO.setmode(GPIO.BCM)
GPIO.setup(...
0
votes
0
answers
16
views
USB3.0 to M2 (SATA) for data streaming with Rasberry Pi 4CM on single PCIEx1 Gen 2?
Project Problem Statement
Greetings, my project requires a fast RF I/Q data stream of ~ 96MB/s to SSD storage. With limited space and development time, my plan is to use a Raspberry Pi 4 CM to serve ...
0
votes
0
answers
55
views
I have two different LTE setups failing to initialize or turn on with the exact same errors
Device 1:
Quectel RM520N-GL 5G
connected to
https://www.ebay.com/itm/165783027282
One of these. Which has a waveshare logo on it
Device 2:
https://www.amazon.com/dp/B09LV1VY4S?ref=...
-1
votes
1
answer
323
views
How to set USB read write permission so any user can read/write/execute on it?
I don't understand. I was able to set read/write/execute permission using terminal for any USB driver I connected to my Raspberry Pi, but now I simply can't no matter what command I execute.
sudo ...
- 1,081
0
votes
0
answers
57
views
Set fixed g_ether mac address at firstboot
I would like to have g_ether have a fixed mac, which can be done by the following command:
echo 'options g_ether host_addr='$(dmesg | awk '/: HOST MAC/{print $NF}')' dev_addr='$(dmesg | awk '/: MAC/{...
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