   digitalWrite(whisker, LOW);
   digitalWrite(tonech, LOW);
   digitalWrite(greenled, LOW);
+  digitalWrite(laser, LOW);
 
   Serial.begin(9600);
 }

int led = 9;
int whisker = 10;
int tonech = 11;
int puff = 13;

// Used internally to select channels for CS/US

        break;
      case 10:
        usch = value;
        break;
      case 11:
        laserdelay = value;
        break;
      case 12:
        laserdur = value;
        break;
    }
    delay(4); // Delay enough to allow next 3 bytes into buffer (24 bits/9600 bps = 2.5 ms, so double it for safety).
