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.

4094 questions
5
votes
3 answers

LIRC partial read 8 bytes

I tried to create my own universal remote using my Raspberry Pi 3 with newest Raspbian. After constructing little receiver and transmitter (tutorial I followed) and connecting everything up I got this message when trying to receive…
EvilDumplings
  • 301
  • 1
  • 3
  • 9
5
votes
5 answers

running librosa & numba on raspberry pi 3

I am trying to run librosa on my raspberry pi 3. After hours of searching through the internet I was finally able to install it but it still throws an error when I try to import it. First, I had problems to install the dependency llvmlite. I…
Ronja Jösch
  • 53
  • 1
  • 1
  • 4
5
votes
0 answers

Turn off HDMI Output with Android Things on Raspberry PI 3

I'm creating an Android Things device using a Raspberry Pi 3, which will be connected to monitor. The monitor should be on all of the time, but I'd like a way to "turn off" the device (turning off the HDMI output so that the monitor can go to…
Thomas
  • 1,123
  • 3
  • 13
  • 36
5
votes
1 answer

Python Script Open and Write into Terminal

I have a Python script on my Raspberry Pi 3 Model B (OS NOOBS) that when run, logs the temperature of the CPU into a .csv file every minute. What I'd like to know is how can I, from a Python script open a terminal and output the temperature in the…
Jocke
  • 73
  • 1
  • 7
5
votes
3 answers

Mount USB thumb drive to android things when starting the activity

I am trying to mount the USB mass storage device to my Raspberry Pi running the android things. I came across this answer which shows how to mount it using command line ADB shell. But the problem is I have to run those command every time my device…
Keval Patel
  • 592
  • 3
  • 13
5
votes
1 answer

Node exec doesn't have permission to execute script

Up until recently, it has worked fine, but when I tried to use it today, it did not work properly. It returns the following error: Error: Command failed: /bin/sh -c /home/pi/RPi-Computer-Power/RPi-Server/routes/../scripts/hash.js 12345678…
ifconfig
  • 6,242
  • 7
  • 41
  • 65
5
votes
1 answer

Python fastest way to find similar vector in a large matrix

I'm trying to write a python function that takes a vector(1x128), then finds the most similar column in a large non-sorted matrix (2000x128). This function called ~100000 times in application. There was no problem when I'm working on desktop PC, but…
user2431358
  • 55
  • 1
  • 5
5
votes
3 answers

Integrating GSM/GPRS modem with Raspberry Pi 3 with Android things

I am trying to make a module with the help of Android Things. I need to send temperature and pressure readings to a server over the internet with the help of GSM/GPRS modem. I am using Raspberry Pi 3 with AndroidThings SDK. I am able to get…
Mahendra Chhimwal
  • 1,810
  • 5
  • 21
  • 33
5
votes
2 answers

I2C not detecting ? issues in hardware or any other?

I have been working through some i2c examples. Plugging it all together and I find that I need to install the i2c-tools package, then use raspi-config to enable the I2C system. The wiringPi gpio command has a shortcut to the i2cdetect command and…
Jerwin Prabu
  • 336
  • 1
  • 3
  • 16
5
votes
0 answers

ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave

I am trying to implement AI smart mirror project on raspberry pi3.. i have been stuck here for a long time.. i want to use camera microphone as a voice input source but i cannot.. if someone could help!? these are the errors while i run my python…
5
votes
2 answers

How to set a static IP in Android Things running on Raspberry Pi 3

I wish to change the Ethernet IP Address of the Raspberry Pi3 board that is running Android Things OS. Currently it automatically fetches an IP Address available in the connected network. But I wish to assign a fixed/static IP to the device. Is it…
Kishan
  • 231
  • 1
  • 11
5
votes
1 answer

Running Scrapy on Raspberry Pi 3, python 3.4

I receive an error when running scrapy on Raspberry Pi 3. I have successfully installed it, but when I try to startproject or crawl with a previously created spider, I get the following error: Traceback (most recent call last): File…
Svarto
  • 603
  • 2
  • 8
  • 20
5
votes
3 answers

How to enable USB API in Android Things for Raspberry Pi 3

I am working on a project which involves a Raspberry Pi 3 Module B Board with Android Things OS on it. My android application running on Raspberry Pi3 needs to communicate with an external hardware over USB. But,it has been mentioned in the Known…
Kishan
  • 231
  • 1
  • 11
5
votes
1 answer

Kivy USB Keyboard Double Typing Letters

I have a Raspberry Pi 3 that is running an application using Kivy. There is a USB keyboard connected to allow text input within the application. Every time I type in a text box the letters are double typed. If I press and hold a key, the letter will…
Claire
  • 111
  • 6
5
votes
3 answers

Android Things GpioCallback not received

I am trying to implement the button sample from simplepio. I have made the connection as shown in schematics. After pressing the button I do not get the GPIO callback. Code I am using is same as that of sample. There are no exceptions only "Starting…
Anirudha Agashe
  • 3,510
  • 2
  • 32
  • 47