Package Exports

rpi-433

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Readme

rpi-433

NodeJS module to send and receive decimal codes through 433Mhz device on RaspberryPI 2

Dependencies

wiringPi : https://projects.drogon.net/raspberry-pi/wiringpi/

Building WiringPi

pi@raspberrypi ~ $ git clone git://git.drogon.net/wiringPi
...
pi@raspberrypi ~ $ cd wiringPi/wiringPi
pi@raspberrypi ~/wiringPi/wiringPi $ sudo su
...
root@raspberrypi:/home/pi/wiringPi/wiringPi# ./build

Installation

npm install rpi-433

Usage

Firstly, make sure you are running your application as root or with sudo, else the Raspberry Pi will not let you output/input to the GPIO and you'll get an error.

sudo npm myscript.js

Please note that there are different and confusing ways to reference a channel. This module supports wPi schema. Once wiringPi is installed, in your CLI you can run gpio readall and check the wPi column.

gpio readall

Example

var rpi433    = require('rpi-433'),
    rfSniffer = rpi433.sniffer(),
    rfSend    = rpi433.sendCode;

// Receive    
rfSniffer.on('codes', function (code) {
  console.log('Code received: '+code);
});

// Send
rfSend(1234, function(error, stdout) {   //Send 1234
  if(!error) console.log(stdout); //Should display 1234
});