Unanswered Questions
1,637 questions with no upvoted or accepted answers
6
votes
0
answers
314
views
Raspberry as I2C Slave, how to slow down transfer rate?
I have had minor success using the PIGPIO library and interfacing the Pi as an I2C Slave (Using GPIO Pins 18 and 19 as SDA and SCL) with a Campbell CR1000X Datalogger
I am encountering a problem ...
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6
votes
2
answers
416
views
Pi4J kills USB bus?
Hello fellow Pi enthusiasts :)
I am currently attempting to control a standard 16x2 character LCD display from the PI's GPIO pins from Java.
I downloaded Pi4J and wrote a small program to initialize ...
CommunityBot
- 1
4
votes
0
answers
5k
views
Bluetooth repeater/bridge
I was wondering if somebody already tried to create some sort of Bluetooth repeater or bridge? I know they are not the same, but both systems should work for my needs.
In detail, I am trying to ...
- 1
4
votes
0
answers
469
views
RPi3 PulseAudio & Avahi problem
I have an Ubuntu 17.04 server which is sharing its sinks (connected speakers) and sources (USB microphone) with my local network. I've ensured the PulseAudio cookie has been pre-shared and on my ...
- 51
4
votes
0
answers
3k
views
Share Wi-Fi Internet access via Bluetooth on Raspberry Pi
I have tried multiple ways I got on Google, without luck.
I know if I am on an Ubuntu machine, I can use BlueMan to configure this. Actually I have already succeeded in that. However, I think BlueMan ...
- 191
3
votes
0
answers
77
views
RPI(2) Bare Metal: does GPU support text mode and what is the default video mode?
I'm struggling with trying to find any information about text-mode capability in Raspberry Pi. I'm reading about decompression, 3d, etc. fancy features but I'd like to learn about fundamentals:
Is ...
- 131
3
votes
0
answers
2k
views
Error while Starting Raspbian
Enviroment:
Device: Rasberry Pi 2
OS: Raspbian
Last sign of life: 8.March 2021
Problem
Since 8th of march I've got no message of my raspberry pi, so I get them and try to boot with a connected monitor....
- 141
3
votes
2
answers
8k
views
PiHole Not Resolving Local DNS Entries for clients with static IPs
I have a Raspberry Pi 2 running Pi Hole 5.2.2 and Cisco Linksys E2000 router running DD-WRT v24-sp2 (08/12/10) std-usb-ftp
I want to be able to have PiHole resolve a DNS entry such as MyDevice to an ...
CommunityBot
- 1
3
votes
0
answers
2k
views
DCF77 time signal emulator by Raspberry Pi Zero WH
This is my first post on this forum.
Thanks for being welcomed into this community.
I am struggling with my second project with a RaspberryPi.
On Github I found a very interesting project of an ...
- 31
3
votes
0
answers
239
views
Is it possible to control servos in both directions on the RPi?
I have been working on controlling servos in one direction with PWM control via GPIO ports on my RPi 3. I've worked with motor controllers that use PWM before and it seems that I should be able to ...
3
votes
0
answers
676
views
LIRC mode2 shows no output
I am trying to receive configure an IR remote control for my raspberry and I configured LIRC on the Pi and it works all fine but I won't be able to capture some output with
mode2 -d /dev/lirc0
I ...
- 41
3
votes
0
answers
135
views
Unable to intercept the code of my remote control at 433 MHz with RaspberryPi
I'm trying to reproduce the code generated by my universal 4-channel radio control with RaspberryPI.
I cloned my remote with a universal remote like this:
I used the libraries included in 433Utils ...
- 131
3
votes
0
answers
154
views
Raspberry Pi button bug, what is happening?
I am new user of raspberry pi. I have two buttons, and some code to run, yet the led will not react to the buttons. It's probably a easy fix, but keep in mind, I am new to robotic and have only ...
- 1
3
votes
0
answers
1k
views
Getting button click type
I've been looking for a while to how to get the kind of click of a button on GPIO. Is it a single click? Double? Triple or more? Is it a long click? a very long click? a combination of them?
I haven'...
- 61.4k
3
votes
0
answers
1k
views
Setting up Pi Zero W Wi-Fi through USB SSH
I am having lots of problems connecting my raspberry pi zero to wifi. I have followed a number of tutorials.
1. What I have tried
This was my wpa_supplicant.conf file
ctrl_interface=DIR=/var/run/...
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