diff --git a/nodejs/ar-com/rc.js b/nodejs/ar-com/rc.js
index af2e486..e4a29b3 100644
--- a/nodejs/ar-com/rc.js
+++ b/nodejs/ar-com/rc.js
@@ -9,8 +9,8 @@ var RC = function (arduino, 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'));
+  for(i = 0; i < tristate.length; i+=2) { str += String.fromCharCode(parseInt(tristate.substr(i,2), 16)); }
+  this.arduino.write(new Buffer('W' + String.fromCharCode(97 + this.pin) + str,'ascii'));
 }
 
 RC.prototype.sendDecimal = function (len, val) {
diff --git a/nodejs/routes/index.js b/nodejs/routes/index.js
index 8f9dd14..464bd03 100644
--- a/nodejs/routes/index.js
+++ b/nodejs/routes/index.js
@@ -19,9 +19,9 @@ router.get('/toggleLight', function (req, res) {
   for(i = 0; i < s.length; i+=2) { str += String.fromCharCode(parseInt(s.substr(i,2), 16)); }
   arduino.write(new Buffer('Wl' + str,'ascii'));
   res.send('switch light');*/
-  
-  rc_db.fidn(1, function (error, results, fields) {
-    rc.send(results[0].on_value);  
+  rc_db.find(1, function (error, results, fields) {
+    if(error)  console.log(error);
+    rc.send(results[0].on_value);
   });
   res.send('switch light');
 });