R$60

Description

Parameter -- New Version Power Supply: 3.3V -- 5V DC; Quiescent Current: <2mA; Effectual Angle: <15 degree; Detection Distance: 2cm -- 450 cm; Resolution: 0.3 cm..
Operating Principle: Ultrasonic HC-SR04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
HC-SR04 ultrasonic sensor module: Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object, the duration of the signal is the time from sending ultrasonic to returning..
Test Distance Formula: The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse, HC-SR04 test distance following formula -- L = 1/2 x T x C (L is the distance, T is the time between the emission and reception, and C is the sonic speed)..
Package Include: 5 x New Version HC-SR04 Ultrasonic Sensors, 3 x ing Bracket with Screws, 10 x Female-Male Dupont Cables, 10 x Female-Female Dupont Cables..

HC-SR04 Ultrasonic Sensor Power Supply: 5V DC Quiescent Current: <2mA Effectual Angle: ﹤15° Ranging Distance: 2cm - 500 cm Resolution: 0.3 cm Output Signal: Electric frequency signal, high level 5V, low level 0V 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.) Ultrasonic Sensor Module Working Principle Pull the Trig pin to high level for more than 10us impulse, the module start ranging. The module automatically sends eight 40KHz square wave to detect whether a signal is returned. 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. So we can calculated the distance easily. The distance = ((Duration of high level)*(Sonic :340m/s))/2. Distance L = 1/2 x T x C Package Include: 5 x New Version HC-SR04 Ultrasonic Sensors 3 x ing Bracket with Screws 10 x Female-Male Dupont Cables 10 x Female-Female Dupont Cables

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5pcs Ultrasonic Module HC-SR04 MELIFE Distance Sensor with 3pcs ing Bracket 2 Wire Set for Mega R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee

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