5pcs HC-SR04 Ultrasonic Sensor Distance Sensor with Ultrasonic Transmitter and Receiver Module Compatible with Ar-duino UNO MEGA2560 Nano Robot XBee ZigBee
- Induction Angle: not more than 15 degrees:....
- the module HC-SR04 works: (1) IO trigger ranging to at least 10us high signal.
- (2) module automatically sends eight 40kHz square wave, automatically....
- Panel wiring, VCC, trig 's (control side), the echo (receiving end), out (empty feet), GND.
- Note: TRIP-pin internal pull-up 10K resistor, down TRIP microcontroller IO port pin, and then to a 10us pulse signal..
- OUT pin for this module as the switch output pin when the anti-theft module, ranging modules do not use this foot!.