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Uctronics LCD fan: do I need it?

I just bought an Uctronics 3.5" LCD display for my Pi 3 model B. It is beautiful, it is bright… And it comes with an onboard fan which is HORRIBLY noisy. It rattles. Obviously defective. Well, if ...
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-1 votes
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31 views

CasaOS & Pi-Hole on same RaspPi4 board with different IP addresses?

I was not able to get the docker version of Pi-Hole to successfully work within CasaOS which sits on top of Raspberry Pi OS Lite 64 bit. The problem was I could not disable the DHCP in my Netgear ...
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63 views

Setup external Bluetooth usb dongle

I want to use an external Bluetooth 5.1 USB adapter on Pi4. The chip on the adapter is Realtek RTL8671b. I googled how to get an external BT work and most of the tutorials suggest disabling the ...
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-1 votes
1 answer
29 views

Raspberry Pi 3B not booting anymore.How to update firmwire?

I have a RPi 3b in my stack. Suddenly it stopped working correctly and after another OS flash it was dead. Now is there a way to revive it?
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Running EXE fails on WINE

I have a raspberry pi 4 with 8GB of RAM. I run Raspberry Pi OS 64-bit on it. I recently downloaded an EXE file so I ran it with wine. I installed wine64 to run the 64-bit application. I used this ...
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  • 1
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16 views

Controlling Hardware with Object Detection on a Raspberry Pi

I'm working on a project that would utilize a raspberry pi and object detection to control hardware, and I'm not sure what the best way to go about it is. The basic premise is, a raspberry pi with a ...
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21 views

Raspberry Pi Zero W libcamera kernel error

I want to use Rpi Zero W to send the live video stream using libcamera-video as described on the Rpi documentation page. However, after ~5-10 min camera stream breaks and kernel error pops up: ...
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  • 123
-1 votes
1 answer
28 views

Insufficient power for RPI + 7" Touch Screen

I have a raspberry pi 3B. It is connected to a 7" RPI Touch screen, (made by RPI). The screen gets 5v from the pi and the pi is connected to a 5v, 2.1A USB power pack. For some reason the power ...
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  • 101
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19 views

Problem Connecting Raspberry pi Pico with Thonny

Whenever i download the micropython uf2 file from Thonny and wait for it to reboot i get this message: Unable to connect to COM4: could not open port 'COM4': PermissionError(13, 'Access is denied.', ...
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2 answers
48 views

problem with adafruit-blinka

I tried to install python3.7 and made it the default python version. Now I'm trying to install this: pip3 install adafruit-blinka and I get this error Collecting adafruit-blinka Collecting rpi-ws281x&...
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1 answer
32 views

How to properly shut down Rasberri Pi Pico (windows)?

I only received my first Raspberry Pi for tinyML development and specifically its microcontroller "Pico" version. I am surprised to see no instructions on how to properly shut this thing off ...
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Pi zero W sudden permanently slow Wi-Fi cripples VNC/updating. Extensive troubleshooting

Usage. Thank you to anyone that tries to help, your efforts are really appreciated I ssh into a pi zero W to send a wake-on-Lan signals to my main PC. I am far away and won’t be able to get at the Pi ...
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-1 votes
0 answers
25 views

Running a parallel buzzer function

FIXED: I didn't know how global variables work, had to specify that "warning" is global in each function. I am making a camera that is looking for red objects and when one is detected, the ...
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0 answers
24 views

I have auto run a python program in raspberry pi and now iam not able to stop the autorun

I included the program location in nano /etc/profile and in nano /etc/rc.local. even if I remove it form those it is not terminating the autorun
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1 answer
15 views

Default latest install of OS and NTP how to setp updates of leap-seconds.list

I have just installed a default image and added the NTP package and added my local NTP servers to it When NTP starts it gives the warning ".....leap-seconds.list.... will expire in less than 18 ...
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  • 109
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31 views

Let the Raspberry Pi be recognised as USB mouse and forward signals from a bluetooth mouse?

I am not sure whether this is the correct stackexchange section. I would like to find a solution to use a Raspberry Pi Zero 2 W in a chain like this: Bluetooth mouse/trackpad -> Raspberry Pi Zero 2 ...
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  • 1
-1 votes
2 answers
56 views

Water pump stops after a few cycles

I have a small water pump (https://supermagneter.no/vannpumpe-6v-1-2l-min-tilkobling-4-mm-id625) that I control with a relay that is controlled by the raspberry pi. Usually I can start and stop the ...
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0 votes
1 answer
57 views

Connect 2 RC522 to Raspberry Pi

I wanted to connect 2 RC522 to my Raspberry Pi. I Followed the instructions from here. But then I got the error message: /usr/local/lib/python3.9/dist-packages/mfrc522/MFRC522.py:151: RuntimeWarning: ...
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  • 9
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0 answers
30 views

GPIO script that counts each time a reed switch is activated

My goal is to attach a magnet to a hamster wheel and use a reed switch to determine the distance traveled and speed of my hamster over a long period of time (several weeks/months) and output it as an ...
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0 answers
40 views

Error with module import board

when I run a py script that includes import board I got the error File "/home/ubuntu/catkin_ws/src/lsm9ds0_ros_python/scripts/imu_data_publisher.py", line 3, in <module> import ...
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1 vote
0 answers
17 views

Flush/forget all changes to OverlayFS with read-only SD

raspi-config has the ability to enable the Overlay File System so that no changes are saved to the SD card. That is fantastic, but it seems the changes are saved in RAM. The problem is, when the Pi ...
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  • 111
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0 answers
20 views

Raspbery Pi 3B+ - My USB ports don't work, but ethernet does

This is a pretty short question. My ethernet port works, but none of the usb ports seem to do anything when I plug anything in them. This is the case with a fresh raspi os image. How can I debug this?
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19 views

Cant Ping from one specific Pi to other devices including other Pi's on the same Wi-Fi network

Ive got several Pi's on the same Wi-Fi network but one in particular is causing some networking grief. Its connected with an IP address and I can see it on my Wi-Fi router. I can remote desktop into ...
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  • 1
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0 answers
22 views

Pull up and external interrupt output on GPIO of a raspberry pi 4

Currently I am working on programming some pins of the GPIO interface on a Raspberry pi 4 without using any high-level library (like wiringPi etc...). I just found this link that was helpful (https://...
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0 answers
19 views

Usb wifi adapter RTL8811AU not recognised on Rasberry pi Model B ca. 2011

I can't get my wifi dongle (RTL8811AU realtek usb) working on my Pi from 2011 (model B running Raspbian GNU/Linux 11 (bullseye)). I know this has been asked before and I have followed several rabbit ...
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  • 1
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0 answers
26 views

How to pipe 3.5mm cable to raspberry pi as input?

I am trying to measure the current of some home appliance via https://www.amazon.com/JANSANE-SCT-013-000-Non-invasive-Split-Core-Transformer/dp/B07D8SXQ13/ref=sr_1_3?crid=376JVK6NZHGRQ&keywords=...
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  • 1
0 votes
1 answer
28 views

Run a script when pi is pinged

I want my pi to beep when I ping it. I already have a script that makes it beep. How can I run the script when the pi is pinged?
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0 votes
1 answer
32 views

I am trying to make a camera turn on and off with the press of a button, but the GPIO ports are not working, and it is not acknowledging the button

I am using python, and I am getting an error where it says "GPIO.output(24, False)" in the else statement. I don't know what it means, or how I fix it. from picamera import PiCamera from ...
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9 views

Trouble installing waveshare 3.5inch_RPi_LCD_(A)

I installed Buster Lite on a card. I attached a Waveshare 3.5" LCD screen. (It is known to work when used on another board.) I followed these instructions to install the driver: https://www....
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10 views

How can i switch my Audio Source between bluetooth and a .mp3 file from my directory?

I have plugged a USB-Speaker to my raspberry pi. My goal is, to connect my phone via bluetooth to the raspberry and play a sound on my USB-Speaker over bleutooth. On the other side, I want to be able ...
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0 votes
1 answer
17 views

mi home bluetooth thermometer 2 how to connect

I bought this device hoping to use it with my hobby project, a programmable home thermostat based on a Raspberry Pi board. Using Python and the BLEAK library, I can find it on a BLE scan quite easily: ...
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0 answers
16 views

Can I disable Bluetooth Bonding on a Raspberry Pi?

Just to get things straight, since the Androids documentation uses these terms interchangeably and makes everything more confusing. Pairing is the exchange of temporary encryption keys, which ...
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0 answers
30 views

Help with EEPROM log: RPI4 does not boot

This is another "RPI does not boot". I have tried many thins now and I'm not able to figure out why my RPI4 (that is quite valuable these days) does not boot. EEPROM is working fine and I ...
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  • 213
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0 answers
22 views

Has anyone actually gotten the OTG Ethernet gadget setup to work?

Supposedly, it is possible to configure an rpi such that you can just ssh into it over a USB cable. I have read MANY guides on the internet that appear to give step by step instructions on how to do ...
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  • 173
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0 answers
32 views

Python 2.7 and 3.x coexisting in harmony?

I'm on an RPi4 running the 64-bit version of Raspbian and want to have 2.7 and 3.x coexisting with NO problems. 3.x is part of the 64-bit Raspbian when installed. I just installed 2.7 (i.e., sudo apt ...
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  • 131
0 votes
1 answer
20 views

i2c baudrate falling back to 160 kHz

I have set up i2c between a Raspberry Pi 4 and an Arduino with a level shifter. I have set the i2c baudrate in /boot/config.txt using dtparam=i2c_arm_baudrate=400000 But when I look at the i2c clock ...
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  • 19
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0 answers
36 views

Non-english character file names get changed on their own

Same Problem Mentioned Here I am running Raspbian GNU/Linux 11 (bullseye) on a Raspberry Pi 3 Model B. I have some files on a FAT32 formatted USB drive, which stores data for a Jellyfin library. When ...
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  • 1
0 votes
0 answers
27 views

How to increse boot splash screen duration?

My Plymouth boot splash screen screen only shows up for a fraction of a second. How can I increase its duration? I tried adding a dummy system service that was supposed to delay boot splash ...
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  • 101
0 votes
0 answers
47 views

Pi with touchscreen as macro keyboard

Has anyone ever tried or thought of using the Raspberry Pi and a touchscreen as a macro/shortcut second keyboard? I was thinking of something like this https://www.amazon.com/dp/B08VNCLDTK?psc=1&...
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0 votes
0 answers
21 views

How to stop icon tooltips in bullseye

I have a problem with my raspberry 4 using latest raspian (Bullseye), on a touch screen. When I click a desktop icon for eg; netflix, a pop up name 'netflix' shows and does not go away. On a non-...
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0 votes
0 answers
21 views

How to autorun a python script running ssl on raspberry pi startup

I am working on a project on a Raspberry Pi. I am trying to autorun a Python script automatically when the Raspberry Pi is powered up. However, this Python script generates an HTTPS link to access a ...
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0 votes
0 answers
20 views

Dummy network interface not created on boot on Debian 11

I have a script that depends on dummy0 being created early in the boot process. However, I noticed that on Debian 11 (Raspberry Pi OS Lite; Release date: April 4th 2022), the dummy interface is not ...
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  • 7,018
0 votes
0 answers
15 views

High CPU load when using latest kernels (5.10+) with USB to serial

I'm using Raspberry pi CM1 in embedded application, communication over RS485 with some other HW. Protocol similar to MODBUS - small packets. Request/response as fast as it gets. USB to UART chip is ...
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0 votes
0 answers
27 views

Raspberry Pi Speedometer

I am using a raspberry pi to track information from an animals running wheel such as distance travelled and speed. I am using a script (source: https://drive.google.com/file/d/1kKWoHWWLt008tQB-...
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0 votes
0 answers
13 views

HC-S404 stops reading when another GPIO pin is declared

I am working on an obstacle avoiding robot using Raspberry pi 3 and an HC-S404 ultrasonic sensor. The distance measurement is perfect when trigger and echo are the only pins declared. Whenever, I ...
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  • 1
0 votes
0 answers
49 views

Pi stopped working randomly two nights ago and now won't boot

[]1I am not too knowledgeable with this so I will give what information I can. I use my Pi to run Plex. 2 nights ago my plex stopped working so I went to look at my Pi and now this is what's happening....
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0 answers
33 views

multiple ds18b20 raspberry pico

with a raspberry pi zero you use the temp sensor ids with python code. Not sure how to add 2 of the same DS18B20 sensor to pico. I am pissed at myself as I damaged the pi zero onewire input on the ...
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  • 1
0 votes
2 answers
51 views

Cannot SSH into Pi4 from Windows

I know this question has been asked one million times - but all the input I found so far didn't help. Long story short: I cannot SSH into my Raspi anymore. Yesterday I've installed Raspberry Pi OS x64 ...
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  • 101
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0 answers
27 views

Bluetooth serial connection between Pi and MacOS Monterey on M1 Macbook both with builtin bluetooth

How do I connect a Raspberry Pi 4 Model B Rev 1 to an M1 Macbook Pro 16" using rfcomm over a Bluetooth connection? I'm able to connect the devices via Bluetooth but then not over the Bluetooth ...
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0 votes
0 answers
18 views

How to connect UART and TPM in Raspberry pi 4

I want to connect Infineon 9670 tpm 2.0 with raspberry pi 4b. TPM takes GPIO pin 1 to 26 and UART needs pin 8 and 10. So basically I cannot connect both simultaneously. (which is the requirement in my ...
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