Introduction - If you have any usage issues, please Google them yourself
Two ultrasonic modules into 180 degree distribution in the plane perpendicular to the axis of the steering gear, steering gear change from 0-180 degrees.
1 of each movement, a distance, angle, and 2 to obtain the length data. And the length of the data in cm units* 100 (for example 120.84cm recorded as 12,084) of five data (one pair, a total of 10) by order of the output angle from 0-180.