ALMOCN 6PCS HC-SR04 Ultrasonic Sensor Distance Module Measuring Ranging Sensor for Arduino
Technical Parameters: Power Supply :5V DC Quiescent Current : <2mA Effectual Angle: <15° Ranging Distance : 2cm - 500 cm Trigger Input Pulse width: 10uS Resolution : 0.3 cm Dimensions: 1.3 x 0.4 x 0.1 inch/3.03 x 1 x 0.25 cm (LWH) Mode of Connection: VCC/ trig(T)/ Echo(R)/ GND (VCC supply 5V, and GND is ground wire. TRIG is trigger control signal input, ECHO is echo signal output.) Module Working Principle: -1. Pull the Trig pin to high level for more than 10us impulse, the module start ranging. -2. The module automatically sends eight 40KHz square wave to detect whether a signal is returned. -3. Finished ranging, If you find an object in front, Echo pin will be high level, and based on the different distance, it will take the different duration of high level. -4. Calculated the distance, the distance = (high level time sound velocity (340M/S) / 2. Package includes: 6 HC-SR04 Ultrasonic Distance Sensor
Product Features
- Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit.
- Power Supply : 5V DC; Quiescent Current : <2mA,; Effectual Angle: <15 ; Detection Distance : 2cm~450 cm; Resolution : 0.3 cm
- Hc-sr04 Test Distance following formula: L = 1/2 T C ( L is the distance, T is the time between the emission and reception, and C is the sonic speed)
- Mode of connection:4 pins VCC, Trig (control side), echo (receiver), out (empty),GND
- Application:for Robot obstacle avoidance, object distance measuring, liquid level detection, public security, parking lot detection.
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