HC-SR04
Ultrasonic distance sensor module, 2cm-4m range
The HC-SR04 is an ultrasonic ranging module using sonar to determine distance. Measures 2cm to 4m with approximately 3mm resolution. Requires trigger pulse and measures echo return time.
Ultrasonic distance sensor module, 2cm-4m range
The HC-SR04 is an ultrasonic ranging module using sonar to determine distance. Measures 2cm to 4m with approximately 3mm resolution. Requires trigger pulse and measures echo return time.