diff --git a/ephimera/ephimera.pde b/ephimera/ephimera.pde
index 4b2d253..352c0ad 100644
--- a/ephimera/ephimera.pde
+++ b/ephimera/ephimera.pde
@@ -57,6 +57,7 @@ void draw() {
 }
 
 void keyPressed() {
+  println(int(key));
   if (key == 'S' || key == 's') {
     video.pause();
     makePicture();
@@ -67,4 +68,19 @@ void keyPressed() {
   if (key == 'G' || key == 'g') {
     video.start();
   } 
+  
+  if (key == 'U' || key == 'u') {
+    sendMessage(C_TAG, colorByteValues);
+  } 
+  
+  if (key == '1' || key == '2' || key == 3 || key == 4 || key == 5 || key == 6 || key == 7 || key == 8) {
+    for(int i = 0; i<colorsN; i++) {
+      colorByteValues[i] = (int(key)-49) == i ? byte(100) : 0;
+      print(colorByteValues[i] + "\t");
+    }
+    println("");
+    sendMessage(B_TAG, colorByteValues);
+  } 
+  
+  
 }
\ No newline at end of file
diff --git a/ephimera/serial.pde b/ephimera/serial.pde
old mode 100755
new mode 100644
index 37f2076..fe45754
--- a/ephimera/serial.pde
+++ b/ephimera/serial.pde
@@ -1,6 +1,7 @@
 public static final char HEADER    = 'H';
 public static final char A_TAG = 'M';
 public static final char B_TAG = 'X';
+public static final char C_TAG = 'U';
 
 void ephSerial() {
   
@@ -31,4 +32,4 @@ void serialEvent(Serial p) {
   if(inString != null) {     
     print( inString );   // echo text string from Arduino
   }
-}
+}
\ No newline at end of file