Top new questions this week:
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I want to connect a vintage 70s era terminal with a Raspberry Pi. The terminal uses a DB-25 connector and features hardware flow control (RTS/CTS/DTR etc). What would be the recommended way to hook it ...
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I'm testing various clock sources on a Raspberrypi Zero W with Raspbian Buster Lite. After removing the fake hardware clock
sudo apt remove --purge fake-hwclock
and disabling ntp
sudo timedatectl ...
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This example scans for any I2C slave address current on the I2C bus.
(I am using a RPi 3B+ with raspbian buster from september release)
Script trial_smbus.py:
from smbus2 import SMBus
channel = 1
...
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I have an RPi3b (Master) wired up to an MCU (Slave) communicating via I2C. I did have an RPi1b wired up and upon which I did my first development (cheaper to accidentally fry). Suddenly I'm getting a ...
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I have a couple of simple projects that use a handful of GPIO pins, a few resistors, and some sensors and LEDs.
What's a good way to package up stuff like that? Is there a premade solderable HAT-like ...
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I'm writing a software in C and it is running as a systemd service. I need the service to run after time has synced or alternatively, I need a way for my C program to identify if time has synced.
I'm ...
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I've developed a PI Python application to replace an old control card which sent bit banging out to daisy chained LED drivers.
It all works fine except when I need some fast updating of the LED's.
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Greatest hits from previous weeks:
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My Pi3 serial console produces rubbish and fails to respond to the keyboard.
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I looked over various websites providing the pinout explanation, especially this . But I have trouble to figure them to the real rpi zero. I mean in the following image provides the pinout ...
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I use "wheezy" latest release. The device provides some web service features and supposes to be active 24/7. However if the server wasn't requested for certain amount of time (it is hard to tell exact ...
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Python 3.6 just came out. I tried following these instructions to build from a tarball, but it got hung up on the make command, so I terminated the process after 20 minutes or so.
I also noticed that ...
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I used the command
$ sudo apt-get install chromium
and it didn't work. I'm using Raspberry Jessie. When I ran the command I got this:
Reading package lists... Done
Building dependency tree
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I can't connect to mirrordirector.raspbian.org in Raspbian, but I don't know why.
I've already re-installed Raspbian, but it looks like this is not the problem.
How can I resolve this?
After I ...
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Not a duplicate of this RPi.SE question, as I'll explain in a moment. GPIO.RPI_REVISION returns 3.
As far as I can tell, looking at my B+, there are no LEDs labeled: OK, FDX, LNK or 10M. There are ...
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Can you answer these questions?
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I got a Raspberry PI 4 running 64bit Ubuntu Server. Now I have a bash prompt want a desktop environment. Hopefully, the PIXEL desktop to minimize differences from stock Raspbian.
A quick google ...
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I'm using PI4 OS Buster.
I want to connect 2 canbus interfaces so I will be able to read both of them at the same time.
this is the connections I have made
GPIO CAN
HEADR ...
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When using the cec-utils on a Pi-4 with 2 HDMI devices connected, the one connected to HDMI1 does not respond to commands or show up in a scan.
Running cec-client -l only shows 1 device. Is there ...
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