$32.02
$64.03
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The Pololu Digital Distance Sensor (50cm) detects the presence of objects within 50 cm (20-inch). It has a single digital output that drives low when an object is being detected otherwise, it is high.
It works over an input voltage range of 3 to 5.5 V, and the 0.1-inch pin spacing makes it easy to use with standard solderless breadboards and 0.1-inch perfboards.
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