Questions tagged as 'raspberry-pi'

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Connect MS SQL Azure with Python (RaspberryPi)

I'm having difficulty connecting to SQL in Raspberry Pi, using Python. I made this class: import pyodbc class MaximoNivel(object): def __init__(self, Ponto): self.Ponto = Ponto def Retorna(self): server = 'tcp:ser...
asked by 15.05.2018 / 18:59
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How to use Raspberry as a super user?

I am using a Raspberry in which I installed a Python program with its files and reports folder. The problem is that I can not delete the files because only super user can do it. I need the user to be able to delete the files and everything. How...
asked by 09.02.2018 / 12:48
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GPIO Pins RPi 3 Python

I'm starting with a project with my rpi 3 that concocts using engines connected to the gpio pins of rpi3! In my code there are some errors connected to the mode of the pins, but I do not know how to solve, SOMEONE COULD GIVE A HELP? import...
asked by 16.12.2017 / 13:54
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Read and change GP pin status of RaspBerry Pi 3

I'm doing a little project with a rRspBerry Pi 3 that consists, among other things, of controlling some outputs through a web page. I needed to be able to know and print on the page what the status of these outputs at a given time. I have, for e...
asked by 29.11.2017 / 18:51
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Problems with installations in Raspian

I have a problem, I can not install any packages in raspian, the following error appears:    Error: missing server' JVM at / usr / lib / jvm / java-8-openjdk-armhf / jre / lib / arm / server / libjvm.so '.   Please install or use th...
asked by 13.11.2017 / 13:13
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Error installing pycryptodomex on osmc raspberry pi

When I try to install "pycryptodomex" or "pycryptodome" it gives me this error here at the end, I already checked the header file "stdint.h" and it is in the folder described in the error: arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O...
asked by 17.10.2017 / 13:56
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How can I trace a real-time spectrogram by reading data from an ADC like the "MCP3008" connected to the GPIO of Raspberry?

My idea is to read data from an ADC like the MCP3008 connected to the Rasperry GPIO, from the readings plotting a real-time graph of the signal processed by a FFT (fourrier rapid transform) or STFT (transformed short of fourrier) Example...
asked by 07.06.2017 / 19:43
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You can import an x32 lib. using an arm7l (Raspberry Pi 3b)

I was developing an application to run on a raspberry pi 3 but while the mail did not deliver I started on the notebook (Linux Mint) and did not have many problems. When I received the raspberry test application but could not import the manuf...
asked by 29.03.2017 / 03:03
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How do I connect to a user-selected SSID?

I'm doing my thesis and I'm developing an Android app to set up home devices Iot (wifi). In this case, the devices are being simulated using a Rspberry Pi 3, which creates an access point (captive portal, without a password) with a known name,...
asked by 19.03.2017 / 17:57
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How to maintain the SQLite database in Raspberry Pi?

I have an application running on Raspberry Pi with Windows IoT, but every time I give deploy on a new version or when I restart Raspberry the whole SQLite database is deleted. I saw something related that he by default creates temporary banks. H...
asked by 16.09.2016 / 19:01