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4
votes
1answer
59 views

How to Monitor GPIO Input Indefinitely Without Recursion

I actually joined StackOverflow to ask this question because I wasn't sure it was RPi specific, but as I was thinking about how to form the question, I realized it might be GPIO specific (for some ...
1
vote
1answer
56 views

False Contact Closures - Do I Need Physical Pull Up Resistors to Resolve?

I'm running Raspbian Jessie 4.9.35-v7+ on a Pi 3 Model B. I cobbled together a basic python script to monitor a GPIO pin and send a network signal to a remote application, made two copies of the ...
1
vote
1answer
34 views

How Can I Determine Why My Python Script Is Terminating?

I'm running Raspbian Jessie 4.9.35-v7+ on a Pi 3 Model B. I cobbled together a basic python script to monitor a GPIO pin and send a network signal to a remote application and made two copies of the ...
0
votes
1answer
77 views

KY040 Rotary Encoder not responding at all

Hey I'm very new to raspberry pi and decided to start a mall project including a rotary encoder. I found some guides online that I followed but I just can't get any signal from the encoder ...
0
votes
1answer
39 views

GPIO pin remains high

Upon running the following script my relay stays open when the GPIO pin is set to output. In all my attempts. there has not been any way for me to alter this behaviour. The code I've ran: import ...
1
vote
0answers
186 views

How can I pause a video of omxplayer with out using keyboard?

I am working on my project that can display video when a magnet (signal ) is detected using a hall-effect sensor. Then after, if the magnet is removed from the sensor the video has to pause (not to ...
-1
votes
1answer
39 views

Multiple circuit on raspberry [closed]

Can I create two circuit on one raspberry? I want to create automated watering system for my home plants. There will be two components in this system 1) water pump controlled through Relay system 2) ...
1
vote
0answers
530 views

Temperature Sensor (DS18B20) doesn't work

I am having trouble getting to run my temperature sensor. If I execute the following script to check if the PIN 7 gives me an output, it returns 1 (as it ought to). import re, os, urllib2 import ...
0
votes
0answers
357 views

IR out not doing anything - irsend

Bought my first pi (pi 3 - Model B )last week and an IR reciever, thought as a first project I would have it send IR codes to my tv using irsend (plan is to then create nodejs app and have it ...
1
vote
0answers
528 views

Sense Hat import error

I made a python program for my Raspberry Pi a while back and it uses my sense hat and motion sensor both connect via gpio by using a TriGpio expansion board and it worked for a while until recently ...
0
votes
0answers
323 views

Find out where GPIO port SDA.1 (I2C) mode is switched during boot

When I boot my Raspberry Pi 3 GPIO port 2 (SDA.1) is in mode "IN" instead of "ALT0". This prevents I²C communication and causes i2cdetect -y 1 to wrongly show all addresses. As soon as I set the ...
3
votes
1answer
770 views

How to autostart ScratchGPIO projects?

I'm working with my 7 years old son on a edukit robotics project with my son on my Raspberry PI 2, installed with Jessie. Instead of using Python (Too complicated for him) I programmed the robot with ...
1
vote
2answers
9k views

ITEAD PN532 on Pi 3 with libnfc

For the past weeks I have been trying to get the ITEAD PN532 NFC board working on a Raspberry Pi 3 running Raspbian Jessie (2016-03-18) using libnfc. Here's some info on the board itself. It has two ...
0
votes
1answer
140 views

PiTft problems see below for more info

I had a working PiTft - by working I mean that it would boot up - but then I updated (big mistake). I had to re-burn the distro to an SD-card. I switched between Wheezy and Jessie, but now it won't ...