diff --git a/ATEMtoNRF/ATEMtoNRF.ino b/ATEMtoNRF/ATEMtoNRF.ino
index 86bc623..8054168 100644
--- a/ATEMtoNRF/ATEMtoNRF.ino
+++ b/ATEMtoNRF/ATEMtoNRF.ino
@@ -11,10 +11,21 @@ IPAddress ip(192, 168, 178, 30);
 //IP of the ATEM switcher
 ATEM AtemSwitcher(IPAddress(192, 168, 178, 20), 56417);
 
-//tally LEDs
-const int tallyLED[] = {2,3,4,5};
-const int tallyLEDlength = 4;
-boolean tallyLEDstat[4];
+//program
+boolean programStat[4] = {1,1,1,1};
+# define programStatLength 4
+
+//preview
+boolean previewStat[4] = {1,1,1,1};
+# define previewStatLength 4
+
+//program LEDs
+const int programLED[] = {2,4};
+# define programLEDlength 2
+
+//preview LEDs
+const int previewLED[] = {3,5};
+# define previewLEDlength 2
 
 //init NRF
 RF24 radio (7, 8);
@@ -27,11 +38,15 @@ unsigned long previousTime = 0;
 const long intervalTime = 1000;
 
 void setup(){
-   for (int i=0; i < tallyLEDlength; i++){
-    pinMode(tallyLED[i], OUTPUT);
-    digitalWrite(tallyLED[i], LOW);
+  for (int i=0; i < programLEDlength; i++){
+    pinMode(programLED[i], OUTPUT);
+    digitalWrite(programLED[i], HIGH);
   }
-
+  for (int i=0; i < previewLEDlength; i++){
+    pinMode(previewLED[i], OUTPUT);
+    digitalWrite(previewLED[i], HIGH);
+  }
+  
   //start Ethernet
   Ethernet.begin(mac,ip);
 
@@ -41,7 +56,7 @@ void setup(){
 
   //connect to the switcher
   Serial.println("connect to ATEM");
-  AtemSwitcher.serialOutput(true);
+  AtemSwitcher.serialOutput(false);
   AtemSwitcher.connect();
 
   //start NRF
@@ -66,15 +81,22 @@ void loop(){
   if (dataChanged() || currentTime - previousTime >= intervalTime){
     sendNRF();
     previousTime = currentTime;
+    delay(20);
   }
 }
 
 void sendNRF(){
-  for (int i=0; i < tallyLEDlength; i++) {
-    datasend = (datasend << 1) + tallyLEDstat[i];
+  //program
+  for (int i=0; i < programStatLength; i++) {
+    datasend = (datasend << 1) + programStat[i];
+  }
+  datasend = datasend << (8 - programStatLength);
+  //preview
+  for (int i=0; i < programStatLength; i++) {
+    datasend = (datasend << 1) + previewStat[i];
   }
-  datasend = datasend << (8 - tallyLEDlength);
-  datasend = (datasend << 8) + getChecksum(datasend & 0xFF);
+  datasend = datasend << (8 - previewStatLength);
+  //datasend = (datasend << 8) + getChecksum(datasend & 0xFF);
   Serial.print(" datasend: ");
   Serial.println(datasend, BIN);
   
@@ -83,11 +105,17 @@ void sendNRF(){
 
 boolean dataChanged(){
   boolean changed = false;
-  //Serial.println("tally: ");
-  for (int i=0; i < tallyLEDlength; i++){
-    if (AtemSwitcher.getProgramTally(i+1) != tallyLEDstat[i]){
-      tallyLEDstat[i] = AtemSwitcher.getProgramTally(i+1);
-      digitalWrite(tallyLED[i], tallyLEDstat[i]);
+  for (int i=0; i < programStatLength; i++){
+    if (AtemSwitcher.getProgramTally(i+1) != programStat[i]){
+      programStat[i] = AtemSwitcher.getProgramTally(i+1);
+      if(programLEDlength > i)digitalWrite(programLED[i], programStat[i]);
+      changed = true;
+    }
+  }
+  for (int i=0; i < previewStatLength; i++){
+    if (AtemSwitcher.getPreviewTally(i+1) != previewStat[i]){
+      previewStat[i] = AtemSwitcher.getPreviewTally(i+1);
+      if(previewLEDlength > i)digitalWrite(previewLED[i], previewStat[i]);
       changed = true;
     }
   }
diff --git a/NRFtoTallylight/NRFtoTallylight.ino b/NRFtoTallylight/NRFtoTallylight.ino
index 458f112..ed52bec 100644
--- a/NRFtoTallylight/NRFtoTallylight.ino
+++ b/NRFtoTallylight/NRFtoTallylight.ino
@@ -2,9 +2,9 @@
 #include <nRF24L01.h>
 
 //tally LEDs
-const int tallyLED[] = {2,3,4,5};
-const int tallyLEDlength = 4;
-boolean tallyLEDstat[4];
+const int tallyLED[] = {2,4};
+const int tallyLEDlength = 2;
+boolean tallyLEDstat[2];
 
 # define errorLED 6
 
@@ -26,6 +26,12 @@ void setup(){
   pinMode(errorLED, OUTPUT);
   digitalWrite(errorLED, HIGH);
 
+  pinMode(3, OUTPUT);
+  digitalWrite(3, LOW);
+
+  pinMode(5, OUTPUT);
+  digitalWrite(5, LOW);
+
   //start Serial
   Serial.begin(9600);
   Serial.println("start serial");
@@ -34,7 +40,7 @@ void setup(){
   Serial.println("start NRF");
   radio.begin();
   radio.openReadingPipe(0, address);
-  radio.setPALevel(RF24_PA_LOW);
+  radio.setPALevel(RF24_PA_HIGH);
   radio.setDataRate(RF24_1MBPS);
   radio.setAutoAck(false);
   radio.disableCRC();
diff --git a/NRFtoTallylightRGB/NRFtoTallylightRGB.ino b/NRFtoTallylightRGB/NRFtoTallylightRGB.ino
new file mode 100644
index 0000000..6f619bf
--- /dev/null
+++ b/NRFtoTallylightRGB/NRFtoTallylightRGB.ino
@@ -0,0 +1,83 @@
+#include <RF24.h>
+#include <nRF24L01.h>
+
+//tally RGB LED
+const int tallyLED[] = {3,5,6}; //RGB
+const int tallyLEDlength = 3;
+boolean tallyLEDstat[3];
+
+# define RGBground 4
+# define channel 1
+
+//init NRF
+RF24 radio (7, 8);
+const uint16_t address = 0xADB5;
+uint16_t datareceive;
+
+//define min interval to show error
+unsigned long currentTime = millis();
+unsigned long previousTime = 0;
+const long errorTime = 3000;
+
+void setup(){
+   for (int i=0; i < tallyLEDlength; i++){
+    pinMode(tallyLED[i], OUTPUT);
+    digitalWrite(tallyLED[i], LOW);
+  }
+
+  pinMode(RGBground, OUTPUT);
+  digitalWrite(RGBground, LOW);
+
+  //start Serial
+  Serial.begin(9600);
+  Serial.println("start serial");
+
+  //start NRF
+  Serial.println("start NRF");
+  radio.begin();
+  radio.openReadingPipe(0, address);
+  radio.setPALevel(RF24_PA_HIGH);
+  radio.setDataRate(RF24_1MBPS);
+  radio.setAutoAck(false);
+  radio.disableCRC();
+  radio.startListening();
+
+  delay(20);
+}
+
+void loop(){
+  while (!updateLoop());
+  radio.read(&datareceive, sizeof(datareceive));
+  Serial.print("data: ");
+  Serial.println(datareceive, BIN);
+
+  if ((datareceive >> 15 - channel) & 1 == 1) setRGB(100,0,0);
+  else if ((datareceive >> 7 - channel) & 1 == 1) setRGB(0,30,0);
+  else setRGB(0,0,0);
+}
+
+boolean updateLoop(){
+  currentTime = millis();
+  if (radio.available()){
+    Serial.println("new package");
+    previousTime = currentTime;
+    return true;
+  }
+  else if (currentTime - previousTime >= errorTime){
+    Serial.println("timeout");
+    setRGB(0,0,50);
+  }
+  return false;
+}
+
+byte getChecksum(byte data){
+  byte checksum = 0;
+  for (int i=8; i<8; i++) checksum += (data >> i) & 1;
+  return checksum;
+}
+
+void setRGB(int r, int g, int b){
+  analogWrite(tallyLED[0], r);
+  analogWrite(tallyLED[1], g);
+  analogWrite(tallyLED[2], b);
+}