US-020 Ultrasonic Ranging Sensor

US-020 Ultrasonic ranging module is capable of the 2cm ~ 7m non-contact distance measuring function, contrast to the HC-SR04 Ultrasonic Ranging Sensor , this module has a larger measure range. the supply voltage is 5V, The static power consumption is less than 3mA.
This module supports the GPIO Communication mode, which is stable and reliable with the watchdog.