DIYmall Infrared Beam Photoelectric Sensor Module 3.3V-5V Optocoupler Tacho Counter for Arduino Pack of 10

DIYmall Infrared Beam Photoelectric Sensor Module 3.3V-5V Optocoupler Tacho Counter for Arduino Pack of 10
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sku: 1005010730987048
$12.09
Shipping from: China
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