5pcs Ultrasonic Sensor HC-SR04 Distance Module Kit with 1pcs Ranging Display Module with Mounting Bracket Connection - ShopVlot

WHAT IT DOES: The ultrasonic sensor emits ultrasonic waves through the head and receives the waves reflected by the target, thus measuring the time between transmission and reception to measure the distance to the target FEATURES: Ultrasound is a mechanical wave with a vibration frequency higher than 20kHz.It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, good directionality, and can become a beam for directional propagation, etc PRODUCT BENEFITS: Unde