 	if (sum == 0) {
 		return true;
 	}
-	// both sum to less than 12
+	// both sum to less than or equal to 12
 	else if (sum <= maximumValue) {
 		return true;
 	}

	unsigned int pulseCount, sendCount = 0;
	unsigned int pollCounter = 0;

	if (debug) {
		Serial.print(startTime);
		Serial.print(" ");

	}
}
/*
	Determines if the driver signals are valid. During a job,
	the half-period of a pulse is either 0, 5 or 6 microseconds.
	There are slight deviations at times, so summing the values together
	and using the maximum possible sum as a check is a reliable way to
	determine if a signal is valid.

*/
bool inRange(unsigned long periodX, unsigned long periodY) {
	unsigned long sum = periodX + periodY;
