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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.

4094 questions
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ARMv8 changing from el3 to el1 secure

I am trying to change from el3 to el1 secure but i keep get the processor to hang somewhere. My code is running on a Cortex-A53 (raspberry pi 3). For now I can only drop from EL3 to EL2. /* Code to try jump to EL1 secure */ MSR SCTLR_EL1, XZR MRS…
timanu90
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What is the best way of installing dotnet core on a raspberry pi?

This method https://blogs.msdn.microsoft.com/david/2017/07/20/setting_up_raspian_and_dotnet_core_2_0_on_a_raspberry_pi/ leaves me with a problem... when I do pi@raspberrypi:~ $ dotnet --version I get the following statement... and no version Did…
Loofer
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How to find the PID of a running command in bash?

I've googled this question, but never found anything useful for my particular case. So, what I'm trying to figure out is the PID of a certain command that is running so I can kill it if necessary. I know it's possible to get the PID of a command by…
Zebiano
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Automation of video recording on booting of raspberry pi3

I have written a python code which contains some opencv code to play around with my webcam. I have attached it to raspi 3. I want that on startup(booting), it start recording video automatically.. I am using crontab for this. My Python…
Shirish Bajpai
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SMBUS on the RPI gives IOError: [Errno 121] Remote I/O error

I have tried communication between RPi3 and stm32 over I2C. First of all I have installed i2c-tools and python-smbus. All in All I have used python script on the RPI as below: import smbus bus = smbus.SMBus(1) address = 0x0A data =…
J. Doe
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Swap file returns to original size after reboot

I am trying to increase swapfile size on my raspberry pi 3. I'm following this guide here on DigitalOcean. After successfully increasing the file and setting it up using mkswap and swpon commands everything works fine. I even tried filling my ram…
yabk
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Very slow download speed using Java in Raspberry Pi 3

I wrote the following code in Java for downloading a file in a Raspberry Pi 3: String fileUrl = "..."; URL urlObj = new URL(fileUrl); HttpURLConnection con = (HttpURLConnection) urlObj.openConnection(); InputStream in = con.getInputStream(); byte[]…
agc1993
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Using gpu for tensorflow's calculation on raspberry pi

I am developing robot with computer vision on Raspberry Pi 3 with Tensorflow. Can I use gpu for deep learning on raspberry pi 3?
crazymidnight
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GSM/GPRS Module native integration on Raspberry 3 with Android Things

I would like to know if there is any way to make a GPRS / GSM module (SIM800L) as a "default" connection in android things that allows browsing the internet and making requests using the Android libraries.
user3195244
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source ~/.bashrc from bash script does not work

I am trying to create a script to be reload bashrc once but it did not work. reloader.sh #!bin/bash source ~/.bashrc rm reloader.sh
Peyker
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Raspberry Pi Connection closed SSH

I just bought a raspberry Pi 3. I am trying to run it but first it wrote connection refused on ssh attempt. After I ran the raspi-config and enabled the ssh I now get a Connection closed by 192.168.0.31. When I scan the ports on that machine the…
durisvk
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Enable JIT for QML in Raspberry

I'm trying to create a QML and C++ application to work in a Raspberry. I'm adding some graphical effects like http://doc.qt.io/qt-5/qml-qtgraphicaleffects-zoomblur.html. The problem is, when I star the application, it appears a the message and the…
sigifredo
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FilePicker does not open on Raspberry PI 3

I am developing an UWP 5.2.2 Windows 10 app. For a Raspberry PI 3 OS: 10.0.14393.576 I am using a direct copy of the code sample from MSDN quickstart-using-file-and-folder-pickers I have added the pictures Library to the app manifest file Here is…
spudtracktoad
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"Cannot allocate memory" and "non-zero exit status" - Can't install R packages on Raspberry Pi

I'm having this problem while trying to install any package in my Raspberry Pi. Some general info about the system and software: Raspberry Pi 3 Raspbian Jessie with Pixel (Novermber 2016, latest version) R 3.1.1 When I try install.packages("XML"),…
Bruno Caram Muller
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Raspberry pi 3 Bluetooth

My Raspberry Pi 3 can connect briefly to my Android mobile, but once I accept the connection on the Raspberry Pi, I get this error: GDBus.Error:org.bluez.Error.Failed: No such file or directory. Try to connect manually. Please help me on this.
Kishor
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