พร้อมส่ง-HC-SR04 Ultrasonic Sensor Module | Shopee Thailand พร้อมส่ง-HC-SR04 Ultrasonic Sensor Module ***** รับประกันสินค้า 30 วัน ***** The module has stable performance and accurate measurement distance It can compete with foreign ultrasonic ranging modules such as SRF05 and SRF02
HC-SR04 Sensor Ultrasonic Module Distance - Arduino Nodemcu . . . The HC-SR04 is an ultrasonic distance sensor that can be used to measure the distance of an object from a fixed point It works by emitting an ultrasonic sound wave, and measuring the time it takes for the wave to bounce back after it hits an object