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Raspberry Pi

Questions tagged [pi-3]

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For questions that apply specifically to the Raspberry Pi 3 and not other/all models.

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I am running Raspberry Pi OS Lite (without GUI) on a Raspberry Pi 3B and have connected a generic ILI9341 display to the GPIO. I am getting inverted display, and I reckon that I am going wrong ...
0votes
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38views

We have a Yocto image with a QT 5.15.19 LTS application that fails to drive some 7" Raspberry Pi displays. The screen is black.The Yocto image has been working for years on the Raspberry pi 3B+ ...
elechris's user avatar
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199views

I'm using a Raspberry Pi 3 Model B with Debian 12 Bookworm. Wifi used to work a few days ago. I then re-flashed the SD card and reinstalled Debian 12 Bookworm. Since then, wifi is not working anymore ...
2votes
0answers
51views

I'm working on a custom LIDAR using TF Luna and rotating it using a motor with an encoder for mapping purposes.As the title says, the rotated angle is not being updated to Rviz2 , resulting in a ...
nOTHING's user avatar
-1votes
1answer
237views

hello so i was stopping services to save up ram on my raspberry pi 3b to install dlib, for that i did disable lightdm and through raspi-config i disabled splash screen and booted into console (i used ...
ORLANIX's user avatar
0votes
2answers
90views

I want to open a door using RPi3 A+, basically give 8-12 Volts 10 W for 5 seconds using RP3 A+.I got this door lock and I want to connect it using my RPi, so that I give it the power it needs and it ...
m7md 1244's user avatar
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1answer
99views

This is mainly a note to self after taking way too long to find a solution to my issue:After updating my Raspberry Pi 3B (that runs Z-Wave JS UI for Domoticz, and with an Aeotec Z-Stick Gen5 plugged ...
breversa's user avatar
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85views

I do the laboratory work from the site of the University of Cambridge (https://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/temperature/), but using the Proteus only.I did the schematic (VCC = 3....
-1votes
1answer
122views

The machine has a working hardwired Ethernet connections, but I want to have the wireless as a backup.The Pi-4 has been upgraded to bullseye (Debian 11).It has wpa_suppliant installed. I think it ...
6votes
3answers
2kviews

Some how while using raspi-config trying to enable wlan0 on a RPi 3, I managed to lose eth0 and instead have enxb827ebe00d07. How do I fix this?From dmesg:[ 4.390898] smsc95xx 1-1.1:1.0 eth0: ...
Robert Heller's user avatar
0votes
1answer
122views

I have a Pi 3A+ running Buster. NodeRed is used with Mosquitto and Zigbee2MQTT for home automation and SmartNORA is used to interface with Google Home. NodeRed Dashboard is also used as a mobile ...
welcomb's user avatar
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82views

I followed this guide on setting up a Pi webcam, with the only difference being running /home/<username>/.rpi-uvc-gadget.sh & with sudo since it didn't work otherwise. It works on Mac, but ...
hubert's user avatar
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I am having lots of issues in getting my Raspberry PI 3B to output a proper HDMI signal.What I have tried so far:a recent working 4k TV with a working HDMI cable (no output, even with safe mode and ...
0votes
1answer
134views

I need your help on the headless Raspberry Pi installation.**I have an Raspberry Pi 3B and I need to do headless Raspberry Pi OS installation and I don't know where I am really getting it wrong, have ...
0votes
1answer
194views

I seem to have a compatibility problem with 2 devices, here is the full story:I have a Raspberry pi 3b, a pi camera module 2, and a waveshare 3.5 (C) screen in gpio. by following the official ...

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