   channel = bctoi(2, 2);
   value = bctoi16(4, 4);
   
-  if (channel >= 18) // channels 18 and above mean all servos
+  if (channel >= 18) // channels 18 and above = all servos
   {
     if (cmd == 's') // servo speed
     {


//=======================================
//
// helper functions
//
//=======================================


#define LED_PIN 13
#define RC_RX_PIN 12
#define RC_TX_PIN 11
#define SSC_RX_PIN 10
#define SSC_TX_PIN 9
// power management //
#define SERVO_PIN 6
#define POWER_PIN 7
#define MOTOR_PIN 8

// host communication //
#define MAX_COMMAND 16
