US-100 초음파 모듈은 2CM ~ 4.5M 비 접촉 거리 측정 가능, 2.4-4.5 다양한 전압 입력 범위 진원합니다.

주요 기술적 인 매개 변수:

전압: DC5V
동작전류: 2mA 미만
레벨출력: high 5v
레벨출력: 0v
센서각도: 15도 
감지범위: 2cm - 450cm
높은 정밀도: 최대 1mm까지

배선 방법: 

왼쪽에서 오른쪽으로 VCC 번호가 있으며, trig(control side), echo (receiving end), GND (ground) 입니다.

사용법: 

A control port, a 10US high, you can wait for the high-level output receiver port, an output can open timer timing, you can read the timer value when this port goes low, this when the ranging time before the calculated distance so continue the cycle measured values, you can reach your mobile measurement

모듈 작동:

(1) IO to trigger ranging, to the high level signal of at least 10us;

(2) the module automatically sends eight 40khz square wave, automatically detects whether a signal return;

(3) outputs a high level signal is returned, through the IO, the high level duration of the ultrasonic wave from the transmitter to the return time. Measure

Test distance = (high level time * sound velocity (340M / S)) / 2;