ALTO – Arduino Parking Assistant

Arduino controlled stop light using 2 PING))) Ultrasonic Sensors.  Sensors detect which lane of the two lane garage is active and lights the lamp accordingly.  Red threshold as well as maximum distance PING can see is hard coded.  Logic is also placed to avoid false changes, such as the Yellow lamp cannot illuminate unless Green is currently lit – to avoid a mishap if the PING sensor measurement jumps from hitting obscure portions of the car.

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