HONG111 5 Pack HC-SR04 Ultrasonic Module Distance Measuring Transducer Sensor for Arduino UNO MEGA2560 Nano Robot XBee ZigBee
Price: $8.99
Description
This Ultrasonic HC-SR04 distance measuring transducer sensor module consists of ultrasonic transmitter, receiver, and control circuit, compatible with Arduino, and can instantly detect obstacles with the microcontroller of your choice!
HC-SR04 module can send eight 40 kHz and detect whether there is any pulse signal back. If there is a signal return, a high level is output through the IO, and the high level duration is is the time from the transmission to the return of the ultrasonic wave.
Test distance = (high time * sound speed (340M / S)) / 2.
Power supply : DC 5V, quiescent current : <2mA, induction angle: <15, ranging distance : 2cm~450cm, resolution: 0.3 cm.
High precision: up to 0.3cm wiring, 4 pins out of the module: VCC, Trig (control terminal), Echo (receiving end), GND.
HC-SR04 module can send eight 40 kHz and detect whether there is any pulse signal back. If there is a signal return, a high level is output through the IO, and the high level duration is is the time from the transmission to the return of the ultrasonic wave.
Test distance = (high time * sound speed (340M / S)) / 2.
Power supply : DC 5V, quiescent current : <2mA, induction angle: <15, ranging distance : 2cm~450cm, resolution: 0.3 cm.
High precision: up to 0.3cm wiring, 4 pins out of the module: VCC, Trig (control terminal), Echo (receiving end), GND.