changed servo constrain angle from 0:180 to 30:150

serial/serial.ino

@@ -88,7 +88,7 @@ void processCommand(String command) {
     int angle = angleStr.toInt();
     
     // Constrain angle to valid range
-    angle = constrain(angle, 0, 180);
+    angle = constrain(angle, 30, 150);
     
     // Update finger position based on command
     if (finger == "index") {