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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
HC-SR04 Ultrasonic Sensor Distance Measuring Module for PICAXE Microcontroller Arduino UNOMain Features: 1. Brand new Ultrasonic Sensor HC SR04 Distance Measuring Module 2. Features 4 mode connections: VCC trig (T) echo(R) GND 3. With electric frequency output signal from 0V to 5V 4. Has high precision up to 3mm 5. 5VDC power supply 6. Detecting distance is from 2cm to 450cm Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal 2. The module automatically send eight 40khz square wave


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