diff --git a/nodejs/ar-com/rc.js b/nodejs/ar-com/rc.js
new file mode 100644
index 0000000..df9836b
--- /dev/null
+++ b/nodejs/ar-com/rc.js
@@ -0,0 +1,21 @@
+
+
+var RC = function (arduino, pin) {
+  if(!arduino){throw new Error('Arduino must be set');}
+  this.arduino = arduino;
+  this.pin = pin;
+}
+
+RC.prototype.send = function(tristate) {
+  var str = '';
+  for(i = 0; i < s.length; i+=2) { str += String.fromCharCode(parseInt(tristate.substr(i,2), 16)); }
+  arduino.write(new Buffer('W' + String.fromCharCode(97 + this.pin) + str,'ascii'));
+};
+
+RC.prototype.sendDecimal = function (len, val) {
+
+  len = this.arduino.valueToFirstTwo(len);
+  val = this.arduino.valueToLastFour(val);
+
+  arduino.write(new Buffer('W' + String.fromCharCode(97 + this.pin) + len + val,'ascii'));
+};
\ No newline at end of file