rookies / DmxReceiver

Arduino library for receiving DMX512 signals.

DmxReceiver

This is a small Arduino library for receiving DMX512 signals.

It is based on dmx_serial_sender, I basically just wrapped a class around the code of this sketch to make it usable in an easy and clean way.

You need to connect a DMX receiver (e.g. MAX485) to a pin of your Arduino to use this library.

Tested with Arduino Nano (ATmega328P), but it should also work with other boards using the same microcontroller.

Example code

#include <DmxReceiver.h>

/* Define the pin where the DMX receiver is connected: */
const byte pinDmx = 6;
/* Define the number of channels we want to receive: */
const byte channels = 3;
/* NOTE: Currently this means we will receive data on
         the first three channels, an option to define
         a channel offset is planned. */

DmxReceiver dmx(pinDmx, channels);

void setup() {
  /* Do your setup ... */
}

void loop() {
  /* Check for new DMX data: */
  if (dmx.poll()) {
    byte channel0 = dmx.getValue(0);
    byte channel1 = dmx.getValue(1);
    byte channel2 = dmx.getValue(2);
    /* Do things with the data we just received ... */
  }
}