ITEM NAME:2X HC-SR04P Ultrasonic Ranging Module Range Sensor Module 3-5.5V Wide V PQN FVO.IO trigger is adopted by providing at least 10us high level signal sequence. The power module is 5V. When the obstacle is in range, the output is 5V; otherwise, the output is 0V. The output pin of the module is used for the switch output of the anti-theft module, and there is no need for the pin when ranging the module.
