Guido Grassel
Library for Seed Groove Ultrasonic range / distance meter. See also https://github.com/Seeed-Studio/Grove_Ultrasonic_Ranger/blob/master/Ultrasonic.h and http://www.seeedstudio.com/wiki/Grove_-_Ultrasonic_Ranger
Dependents: Seed_Groove_Ultrasonic_Distance ECE4180Finalproject