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HC-SR04 Ultrasonic Distance Sensor Module - Give Your Robot Bat Vision!
- Item No : 197266304430
- Condition : New
- Brand : Unbranded
- Seller : hobbystuffltd
- Current Bid : US $4.44
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* Item Description
- It bounces high-frequency sound waves (way beyond our boring human hearing range) off objects and listens for the echo. Tired of your robot creation playing pinball with the furniture?. Want to know.
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