SR04 Description
Ultrasonic Ranging Module HC - SR04 Product.
SR04 Key Features
- SR04 provides 2cm
- Wire connecting direct as following
- velocity (340M/S) / 2; we suggest to use over 60ms measurement cycle, in order to prevent trigger signal to the echo sig
- Attention
- The module is not suggested to connect directly to electric, if connected electric, the GND terminal should be connected
- When tested objects, the range of area is not less than 0.5 square meters and the plane requests as smooth as possible,