All Questions
38,067
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Why isn't the display environment starting with this script at boot?
I have a Raspberry Pi 4 running Debian GNU/Linux 12 (bookworm)
I have a Python script in a shell file launcher.sh (with executable for all permissions) that runs happily without complaint if I ...
- 111
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Not able to read data from com port in raspberry Pi 3 b+ and I have installed windows 10 iot
I have created a simple program to read the data from com port,but not able to read the data from com port and the com port is showing in th device manager. Can anyone help me
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Upgrading systemd from Debian backports safely
I want to upgrade systemd to the one in the Debian backports to fix an issue that was resolved in the newer version.
After adding bullseye backports to apt sources, I tried running sudo apt install ...
- 103
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Old .img file wont boot up RPi? Any way to save/migrate the installation?
Thanks for checking. I have a purpose-built *.img from 2015 that I need to boot.
Back then, this img was used on a RP2 Model B.
I purchased a RP2 Model B from Amazon (apparently v1.2 if that helps, ...
- 1
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Converting pigpio code to Gpiod library python
I have the following code of pigpio library and I have to convert it's functionality using gpiod library. Where pigpio has a good documentation I can understand the working of previous code using that....
- 101
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Raspberry Pi 3B shows a screen with an underscore in the corner
I am using a raspberry pi 3B v1.2 with a 3.5 inch kuman display as shown here. I have installed the lcd-show drivers by doing this:
sudo rm -rf LCD-show
git clone https://github.com/goodtft/LCD-show....
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15
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Using two pi's, can I spoof my location via VPN?
I wish to set up two raspberry pis. One at home in say CA, and another at my friend's house in say NY.
I then wish to connect the two pis via a VPN through the internet.
Then, I wish to connect to my ...
- 191
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How does when_pressed avoid blocking the program flow?
I recently discovered the gpiozero library for Python, where there exists a method named when_pressed to watch an input pin for a button press. I have experience in the Arduino world, where such a ...
- 109
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17
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Access point as WiFi router/repeater not working
I have a Raspberry pi as a local weather station, with temperature/humidity sensors connected to over wifi. This works fine.
I also have an internet router at home and i wanted to make the raspberry ...
- 1
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16
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Writing EDID to AT24C32 EEPROM and Reading Variations on Raspberry Pi [closed]
I'm working on a project where I need to write EDID data into an AT24C32 EEPROM using I2C. The EEPROM is connected to an HDMI device and a Raspberry Pi. below are the details of my setup and the issue ...
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19
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Can I use Arduino Breadboard for the Pico [closed]
I just got my first pico(h). I want a breadboard, but the only one I find is for Arduino. Will it possibly work?
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16
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On-screen keyboard popup on chromium text field input
I am running a web app on my pi using streamlit. I want my pi to operate as a standalone system so I have it connected to a touchscreen and I have a systemd script to autostart my streamlit app and ...
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votes
1
answer
36
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What is the role of the components in this AC coupling circuit?
I'd like to learn more about the RP2040 PWM Audio AC coupling circuit found in figure 22 in this document & shown below.
Even though I understand the general purpose of AC coupling, can someone ...
- 101
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1
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31
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/dev/ttyUSB0 is not associated with the USB port on the Rasberry PI board
I'm trying to connect a tablet to send commands to code running on a Raspberry PI, which, in turn, would control the opening and closing of a valve. The tablet and the board recognize the USB ...
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1
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35
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Powering Raspberry Pi 5B with li-ion battries: Pi 5 just won't boot, stops booting mid-way
I've been pulling my hair for a couple of weeks now. Changed batteries, changed BMS, changed step-down module. No avail.
I am trying to run RPi 5B with 4 li-ion cells in 2S2P config. 2S2P -> BMS -&...
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