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Unanswered Questions

7,096 questions with no upvoted or accepted answers
9
votes
2answers
145 views

Problem when plugging an HDMI extractor to the Pi

I use my Raspberry Pi with Kodi on it (probably one of the last version with both a Pi 2 and 3). A few months ago, I bought and HDMI extractor so that I could use my Home Cinema using the Passthrough ...
9
votes
1answer
780 views

Autologin into a webpage via the default GNOME-Webbrowser

I'm trying to call a html page like this with the Raspbian's default web browser and it leads me just to the default login-page. Neither does it with Midori on the desktop. When calling the exact ...
8
votes
2answers
553 views

Pi won't boot after initramfs update

I have been trying to get Raspbian Jessie, installed from the image to boot with an encrypted root partition. I was successful in following the guide here. When I boot the Pi, it drops to an ...
7
votes
0answers
665 views

Thermal printer with Raspberry Pi 2 outputs only Chinese chars

Following thermal printer + raspi2 tutorial for printing images (https://learn.adafruit.com/networked-thermal-printer-using-cups-and-raspberry-pi/connect-and-configure-printer), I've already connected ...
6
votes
1answer
190 views

Is it possible to simultaneously use the dual band(2.4 Ghz and 5 Ghz) of Raspberry pi 3 B+ to create an AP?

Is it possible to simultaneously create a single AP on raspberry pi 3 b+ which uses both 2.4 Ghz and 5 Ghz bands so that users with low end devices can connect to the 2.4 Ghz band and users with ...
6
votes
2answers
422 views

Capture Photos while Streaming

At the moment, i have Pi Camera > Pi > Ethernet Cable > Pi > Display, and using the codes from, https://www.youtube.com/watch?v=r80dcfzClD4 i am able to stream video from one Pi to another. What i ...
6
votes
2answers
276 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 ...
6
votes
1answer
766 views

GY-521 module / MPU-6050 3x Accelerometer not detected by i2cdetect

I got this GY-521 module (https://www.aliexpress.com/item/MPU-6050-3-Axis-gyroscope-acce-lerometer-module-3V-5V-compatible-For-Arduino/2035920870.html?spm=2114.13010608.0.0.pRpLS4) and no matter what ...
6
votes
1answer
1k views

How to add audio as an input for ffmpeg capturing?

I've been lurking for a while now and I finally created an account because I'm stuck on this particular problem. I've got a raspberry pi 3 with a camera attached to it. I'm able to capture video as an ...
6
votes
1answer
7k views

Configuring Raspberry Pi 2 to use USB Microphone and Headset as default device on Jessie

I am attempting to setup a Plantronics .Audio 400 DSP with a Raspberry Pi 2 Model B as the default device with Jessie installed. Headset Link: http://www.plantronics.com/us/product/audio-400-dsp So ...
6
votes
1answer
9k views

Raspicam C++ library — captured image requires several grab()s to be properly bright

Note that I am referring to the C++ library, raspicam (http://www.uco.es/investiga/grupos/ava/node/40), not the raspberry pi camera in general. Unfortunately, I don't have the reputation to make a "...
6
votes
3answers
6k views

How to enable Wifi direct on the Raspberry Pi using the TL-WN721N wireless Adapter (Noob instruction)

I was looking to find noob instructions on how to connect to the Raspberry Pi using Wifi Direct from either a phone or another computer. I tried a few instruction but they are aimed for more advanced ...
6
votes
1answer
353 views

Xbian does not allow harddisk to stand-by for long

I have an external 2TB WD Elemens harddisk recently purchased plugged into the USB of my Raspberry Pi with Xbian 1.0 beta 2 installed. This disk has internal power management so it enters stand-by ...
6
votes
2answers
4k views

How to cross-compile Python 3.6 for the Raspberry Pi

I am trying to cross-compile Python 3.6 for my Raspberry Pi based on the instructions on this post, which boil down to setup then env vars so we use the linaro toolchain: export CC=arm-bcm2708hardfp-...
6
votes
4answers
1k views

Raspberry Pi - Rainbow screen

I'm trying to boot up Exton's Android build on Raspberry Pi 2, but I seem to be getting the rainbow screen. Here is what I have - 4 partitions as follows boot which has 512 MB, flagged as bootable ...

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