The headless slave pi, is equipped with piface relay plus. Its also got an infrared receiver so you can use a remote control handset from your arm chair. Piface control and display cad documentation, release 2. The 9 screw terminals at the bottomfront of the photos are the output pins power is the pin on the left, the 2 sets of 3way screw terminals are the relay outputs and the set of 9 at the topback are the inputs with 0v being the one on the left, closest to the composite video output.
Piface relay extra piface gpio expansion board for. Piface relay plus for raspberry pi model b plus element14. Piface relay plus provides you with up to 8 relays for your raspberry pi. A simple c library for accessing piface control and display. The 8 inputs can actually be reprovisioned as outputs but you need to be aware that they have onboard 330. Toggle output pin 0 on by clicking on the 0 button. The first two outputs control the two onboard relays. Raspberry pi with i2c port expander mcp23017 16 relay. The pi comes with gpio general purpose input output pins that allow software running on the pi to detect, respond to and control aspects of the real world. Turn the small screw located by the gpio pins on pifacecad. Piface digital 2 has two changeover relays in parallel with the first two outputs. Piface simple digital inputoutput and control for the.
The piface has also 8 digital outputs, therefore its possible to control the car with two of these if we can push up the digital signal. Raspberry pi with a piface 2 digital shield, powered by a 5v relay pcb. Each of the eight relays can be software controlled to switch up to 2amp dc loads and has normally open and closed contacts terminated into quality screw terminals. With piface digital you can detect the state of a switch, for example from a door sensor, a pressure pad or any number of other switch types. These photos show the piface fitted to a raspberry pi. The piface is an addon board for the raspberry pi featuring 8 opencollector outputs, with 2 relays and 8 inputs with 4 onboard buttons.
Two hbridge motor controllers on board works with dc and stepper motors. Allows scratch to control piface digital through mesh. Piface motor control extra is a expander board to the piface relay board adding two hbridge motor controllers to the piface relay to control dc and stepper motors in your programs. Each of the eight relays can be software controlled to switch up to 1a dc loads and has normally open and closed contacts terminated into quality screw terminals. Its not something wed done, so we set about trying to find out for ourselves, and heres some information which will hopefully help.
The code will run through the states and wait for the command to repeat the measurements when ready. Get your raspberry pi ready for piface digital and install and test its software. Remote control and monitor your raspberry pi from your smartphone or tablet. Piface relay motor control extra element14 raspberry pi. You may need to fiddle with the contrast settings in order to see characters on the screen. Its controlled by the same library and command structure. Finally i run a pico web server to control the system tested on my previous project. A downloadable suite of python based software is available allowing users to interact with any connected devices. Buy the raspberry pi piface relay motor control extra. Piface control and display shows status information of your raspberry pi or application and allows you to interact with it through the navigation switch and on board buttons.
In this example we connected a raspberry pi 3 with 3 relay boards via mcp23017 i2c port expander and switch the relays. Original piface digital piface digital 2 outputs to manually control the outputs, click the output control option in the enable menu. Piface control and display shows status information and has a navigation switch and infrared receiver so you can control your raspberry pi without a keyboard and monitor. The pifacecad python module provides functions and classes for interacting with piface control and display.
Picampinoir, piface digital, piface relay plus, sense hat, codebug, python3 and apache2 webserver. It allows your raspberry pi to detect switches connected to it a door sensor or pressure pad perhaps, a microswitch or. Piface relay extra features ships with required tools accessories other tools. Via the i2c port of the raspberry pi you can control up to 8 mcp23017 you can assign 8 different addresses to the mcp23017. Install piface digital software first steps with piface. The piface interface will click as the relay turns. Each of the eight relays can be software controlled to switch up to 2amp dc. I want to get one of these, and some of these, and set up the rpi with some kind of software to automatically turn the outlets on and off based on a schedule that can. The 4 buttons on the piface will control the lcd menu 12 screens. The raspberry pi face digital interface expansion board allow the very popular raspberry pi board to control and interact with the real world. Alternatively you can plug the piface relay extra straight into a breadboard and control the relays directly. With piface digital 2 you can detect the state of a switch, for example from a door sensor, a pressure pad or any number of other switch types.
Piface control and display is easy to program in python making creating portable projects fun. Once this state has been detected, you can write your own software for raspberry pi that. Wiringpi supports a devlib module for the piface board. Piface motor control extra requires piface relay board to work your raspberry pi. Relay extra board adds four more relays and four more inputs.
The piface arrived with no documentation or software. Piface digital is designed to plug on to the gpio of your raspberry pi, allowing you to sense and control the real world. Piface motor control extra expansion board, piface. If all you need is onoff then any pi compatable relay board will work and you can often have uptp 24v and 5a piface digital for instance if you need to vary the speed then you need to be able to pwm the supply to the motor or use the piface motor but this also requires the new piface digital card, this is not a bad solution if you want to play with other things. The remaining 16 pins are used by the underlying mcp23s17 driver and should not be used directly. With the latest version of raspbian installed you can easily install piface digital software with aptget. To install the piface digital software run the command. The pifacerelayplus python module provides functions and classes. Piface control and display is easy to program in python making creating portable. Example software for interfacing minecraft with the real world.
Wiringpi supports a devlib module for the piface board the piface is an io expansion board for the raspberry which features 8 open collector outputs, 2 relays and 8 inputs. By the way, these are very basic programming constructs variables and object references so make sure you get comfortable with programming in general and programming in python in specific. Piface howto get your raspberry pi ready for piface digital and install and test its software. To install the piface digital 2 emulator software, open a terminal and run the. Piface relay motor control extra element14 design center. Piface digital allows you to connect things like switches, lights and motors so your raspberry pi becomes aware of, and can influence the world around it.
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