Part number:
HC-SR04
Manufacturer:
ETC 1
File Size:
1.38 MB
Download:
📄 Download HC-SR04 Datasheet PDF
Description:
Ultrasonic sensor user guide.
HC-SR04 User Guide
1. Ultrasonic Distance Measurement Principles
The transmitter emits a 8 bursts of.
an directional 40KHz ultrasonic wave when triggered and starts a timer. Ultrasonic pulses travel ou.