Ultrasonic ranging module HC-SR04 test board serial output digital tube display rangefinder
![Ultrasonic ranging module HC-SR04 test board serial output digital tube display rangefinder](http://ae04.alicdn.com/kf/H8075773d4b8d4c16a9a98129ada1b9f7s.jpg)
sku: 1005002482401558
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$9.21
Shipping from: China
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