diff --git a/samd/src/main.cpp b/samd/src/main.cpp
index c266220..497e57c 100644
--- a/samd/src/main.cpp
+++ b/samd/src/main.cpp
@@ -17,6 +17,11 @@ int mapLEDIndex(int idx) {
     }
 }
 
+int r = 255;
+int g = 0;
+int b = 200;
+  
+
 void setup() {
   int idx;
   
@@ -33,8 +38,8 @@ void setup() {
 
   for (int i = 0; i< 8; i++) {
     idx = mapLEDIndex(i);
-    rgbDriver.setLedBrightness(idx, 0x0f);
-    rgbDriver.setLedColour(idx, 0xff, 0x00, 0x99);
+    rgbDriver.setLedBrightness(idx, 0x1f);
+    rgbDriver.setLedColour(idx, r, g, b);
     delay(500);
   }
   Serial.println("LEDS Lit!");
@@ -42,7 +47,46 @@ void setup() {
 
 
 void loop() {
+  int idx;
+  if (Serial.available()) {
+    char ch = Serial.read();
+    switch (ch) {
+    case 'r':
+      r += 10;
+      if (r > 255) {r = 255;}
+    case 'R':
+      r -= 10;
+      if (r < 0) {r=0;}
+    case 'g':
+      g += 10;
+      if (g > 255) {g = 255;}
+    case 'G':
+      g -= 10;
+      if (g < 0) {g=0;}
+    case 'b':
+      b += 10;
+      if (b > 255) {b = 255;}
+    case 'B':
+      b -= 10;
+      if (b < 0) {b=0;}
+    default:
+      break;
+    }
 
+    Serial.print("R: "); Serial.print(r);
+    Serial.print(" B: "); Serial.print(g);
+    Serial.print(" G: "); Serial.println(b);
+  
+			   
+
+    for (int i = 0; i<8; i++) {
+      idx = mapLEDIndex(i);
+      rgbDriver.setLedBrightness(idx, 0x1f);
+      rgbDriver.setLedColour(idx, r, g, b);
+    }
+  }
+  
+  
 }