If you are sourcing a ultrasonic ranging module , the HC-SR04 is good choose . Its stable performance and high ranging accuracy make it a popular module in electronic market .Compared to the Shap IR ranging module , HC-SR04 is more inexpensive than it . But it has the same ranging accuracy and longer ranging distance.
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|Board Size||2.0 x 4.3 x 1.5cm|
|Operation Level||Digital 5V|
|Power Supply||External 5V|