     digitalWrite(SHUT_LED, LOW);
     digitalWrite(EXPOSE_OUT, LOW);
     digitalWrite(EXPOSE_LED, LOW);
+    digitalWrite(STIM_OUT, LOW);
+    digitalWrite(STIM_LED, LOW);
     // Close out setup
     Serial.println("Setup complete");
 }

    pinMode(SHUT_LED, OUTPUT);
    pinMode(EXPOSE_OUT, OUTPUT);
    pinMode(EXPOSE_LED, OUTPUT);
    // Initial pin states
    digitalWrite(LEN_OUT, LOW);
    digitalWrite(LEN_LED, LOW);

int SHUT_LED   = 5;
int EXPOSE_OUT = 6; // to exposure trigger
int EXPOSE_LED = 7;
int STIM_OUT   = 8; // to stimulus trigger
int STIM_LED   = 9;

// Begin setup of board
void setup()
