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Questions tagged [piface]

PiFace is a series of expansion boards available for the RPi.

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pifacecad file or directory not found

The pi itself works. Pifacecad was installed using the Farnell setup pages and seemed to be accepted. However when testing the sysinfo.py file it reported that the file or directory could not be ...
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Raspberry Pi piface pi4j java

I am new to raspberry pi and am trying to use pi4j library to run one of the java samples of pi4j provided. When I issue gpio commandline on my pi, I am able to set the output high or low on the ...
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178 views

Failed to initialize PiFace Relay+

When trying to initialize the Piface Relay+ with: pfr = pifacerelayplus.PiFaceRelayPlus(pifacerelayplus.RELAY) I get these errors: Traceback (most recent call last): File "/home/pi/Documents/...
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PiFace Digital 2 and Raspberry Pi 3

I have a PiFace Digital 2 and a Pi i 3 with the latest Debian and Pixel installed. My first question is, is the PiFace digital 2 compatible with the Pi 3? From what I can tell they are. Secondly, I ...
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309 views

How to combine Piface Relays + and Motor Control

I have a Raspberry, a relay plus and a motor control. In python, I'm not able to address the both instructions at the same time. I use : pfr ton initialize : #Now initialise your Relay+. pfr = ...
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1k views

Control PiFace via telnet

I am using Raspberry Pi with PiFace as automation device. I have some python scripts which control PiFace in Raspberry. I need run the scripts remotely from Windows PC and I have to use Telnet... So ...
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1answer
1k views

Sensing soil moisture levels with the RPI - ADC/GPIO & ADC/USB solutions anyone?

I bought a 'Soil Moisture Sensor' like this https://www.tiagoespinha.net/wp-content/uploads/2014/05/2014-05-09-12.51.20.jpg from ebay, and it turns out it's really nothing of the sort (just a ...
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50 views

Cause of PiFace Output LED Noise

So I've got some code that looks like this: import pifacedigitalio as p import time p.init() while True: p.digital_write(0, 1) time.sleep(0.1) p.digital_write(1, 0) time.sleep(0.1) ...
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1answer
73 views

My Pi shorts every time I run my program. [PiFace]

Every time I press a button on the wiimote controlling my robot (Rover 5 with PiFace), the pi restarts. My code is as follows: import cwiid import time import pifacedigitalio as pfio pfio.init() ...
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1answer
102 views

How do i install pifacecad?

I have tried the work found here, but the line below gives me errors, when I run sudo apt-get update. echo "deb http://archive.raspberrypi.org/debian/ wheezy main" >> /etc/apt/sources.list ...
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1answer
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Are RPi peripherals from version 1 compatible with RPi B?

I have some original Raspberry Pi devices that I want to use with the RPi B version. Are old Raspberry Pi Shields compatible with the new Raspberry pi? Specifically, I have an Xtrinsic MEMS Sensor ...
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1answer
572 views

Raspberry Pi Freezes after running Python script for a few hours

I am using the Pi to check for any weather statements and if it sees a tornado warning it uses a PiFace to set off an alarm. Program is in continuous loop but the problem is raspberry pi freezing ...
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1answer
232 views

Which pins on a PiFace are positive/negative/ground?

I am brand new to electronics, and have found it to be very difficult to find any documentation on the PiFace that is geared for noobs I have a schematic for a reed switch to connect to an Raspberry ...
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1answer
2k views

How do I install the piFace Control & Display

I bought one of these (PiFace Control & Display) and according to the online instructions here, it says to run: apt-get install python3-pifacecad but when I do that I get: Reading package lists....