Sell Ultrasonic Module HC-SR04 Remote Measurement Transducer Sensor, for Arduino Ultrasonic Wave Detector, Range Detection Module best price

This module has stable performance and accurate measurement distance. High-precision module, Blind (2cm) ultra-closed, stable range is the success of this product in the market a strong foundation! (1) use an IO trigger that ranges from at least 10us of high level signal; (2) the module automatically sends eight 40khz square waves, automatically detects whether there are signal bounces; (3) there is a signal return, through the IO output of high duration is the time from launch to the return of ultrasound. Test distance = (high time * speed of sound (340M / S) / 2; This product is easy to use, a control mouth made at 10US above the high level, you can expect high-level output reception. A timer output can be opened, when the mouth turns low when you can read the timer value, this time for the time distance, it can be calculated from the distance. Such continuous cycle of measurement, can move the measured value Module features: 1: working voltage: DC5V 2: quiescent current: less than 2mA 3: output level: High 5V 4: output level: lower 0V 5: detection angle: no more than 15 degrees 6: detection range: 2cm-450cm 7: High Accuracy: up to 0.3cm