1Pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for Arduino Product information |
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Mode of connection: Use method: Module Working Principle: Note : This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module Package Includes 1Pcs Modules |
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We appreciate your business and offer an instant 7 days return policy.(7 days after receive the item). The returned item has to be in its original condition. We are able to refund your money without shipping cost.
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