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Questions tagged [raspberry-pi3]

GENERAL RPI QUESTIONS ARE OFF-TOPIC. General questions may be asked on https://raspberrypi.stackexchange.com Use the tag for questions that apply specifically to the Raspberry Pi Model 3, NOT other models.

RPI QUESTIONS MUST BE PROGRAMMING RELATED. Raspberry Pi 3 with BCM2837 1.2 GHz 64-bit quad processor based on the ARMv8 Cortex A53, with builtin Wi-Fi BCM43438 802.11n 2.4 GHz and Bluetooth 4.1 Low Energy (BLE).

Raspberry Pi 3 model B layout (top)

This tag is intended for questions that are applicable to the Raspberry Pi Model 3B ONLY rather than other Raspberry Pi models.

See the related StackExchange site at https://raspberrypi.stackexchange.com. Also see the first edition's tag at https://stackoverflow.com/questions/tagged/raspberry-pi.

Useful links:

Official description

Official downloads

GPIO interactive pinout

If the question is not programming related then it may be on-topic at Raspberry Pi Stack Exchange, Internet of Things Stack Exchange or Unix & Linux Stack Exchange.

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Only one CPU core handling network interrupts

I developed a video streaming server in golang which receives multiple streams via a regular TCP connection and broadcasts them over HTTP. This is working on my raspberryPi cluster which I am running in docker swarm. The server is horizontally…
Esser420
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Raspberry pi wifi hotspot in nodejs configuration

I need some help on my project with Rpi. The RPi should create wifi network This network is not connected to the internet This network should redirect the users to a local nodejs website All of this need to be launched on reboot For 1 & 2. I…
IMarty
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Convert two's complement, left justified integer into regular binary

I am programming a Raspberry Pi 3 in C++ and Qt. I am using the wiringPi library to interface with an I2C accelerometer (which I am using to compare tilt angle values but not measure the angle degrees). I need to determine if one accelerometer…
MarqTwine
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android things:Use Speech to text in Raspberry Pi 3 using android things

im using below code for speech to text for Raspberry Pi3 Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, …
Bhagyashri
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Cant disable WiFi power management Raspberry Pi 3

Whenever i access sudo nano /etc/network/interfaces the file is essentially empty which is hindering me because i need to disable the power saving feature that automatically disables the wifi after a minute or so This is what shows in my file #…
Declan Lovelock
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Android Studio to Raspberry Pi Socket Communication

I'm trying to get my android studio code to receive txt files from a raspberry pi through the use of sockets. The pi is currently setup as the server, while the app is setup as the client. When the two codes are run, the pi displays that it received…
KGhadiri
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OpenCV Raspberry PI: VIDEOIO ERROR: V4L2: Pixel format of incoming image is unsupported by OpenCV

I've had this issue all day since installing my USB (well technically an AV to USB) camera and testing out just a basic video script. I have confirmed it is nothing on my code's end but something to do with the format the camera displays at…
Isaac Addis
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How to boot Android Things 0.6.1 DevPreview in CM3L (Computer Module 3 Lite)

Actually I can boot Android Things "0.6.1 Developer Preview" in Raspberry Pi 3 (RPI3), I'm develop a project with Computer Module 3 Lite (CM3L) this have the same processor of the Raspberry Pi 3 (RPI3) but I only see the rainbow screen, never…
Camilo Londono
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Publish message to kapua using kura or MQTT

I am working on an IoT device. I have installed Eclipse Kura in raspberry pi 3 to use it as a gateway. I want to publish a message to Kapua server (installed in the same network) using Kura or directly using the raspberry pi. I have tried both…
Ahmad Arif
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aws greengrass core running in docker container on rPi3

I have an AWS Greengrass Core setup in a docker container. Everything seems to check out fine, but the greengrass daemon fails to start - error is: Greengrass deamon xx failed to start Failed to create overlay fs for container nosysRootfs operation…
jdeason
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XLA support for custom kernel implementation on Raspberry Pi GPU

I am trying to implement Tensorflow OpKernels on Raspberry Pi3 GPU (QPU) for operations like Conv2D,Pooling,ReLU etc. The operations are mainly targeted to improve performance during inference and do not care about training (hence back propagation…
gowtam
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Android Things FCM

I've tried to use FCM with Android Things. I've imported the google json, make the changes in Manifest, subscribe the app to a Topic, but I did not receive a push message. The only thing I get is the Pushtoken from the server. So does anyone…
Phil
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App-engine-go component not available in component list on ARM/raspberry pi

After this issue was fixed, the appengine team recommends usage of the x86 Linux source for installation on ARM environments like the raspberry pi 3. After downloading the gcloud sdk, when I run gcloud components list on raspberry pi, I get the…
abel
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How can I install Ansible on Raspbian?

I would like to install Ansible on my Raspberry Pi (raspbian/jessie) so that I can maintain it. Unfortunately, I don't seem to be able to install it. I've tried APT and PIP so far but each has a hurdle. APT pi@retropie:~ $ sudo apt-add-repository…
Steve Stevens
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ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory

I got an error,ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory . When i run this code #!/usr/bin/env python from __future__ import division import re import sys from google.cloud import…
user8817477
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