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M2.5* 15mm Nylon Cylinders- Raspberry Pi Model B+ Compatible
Wall Light Two-Channel Capacitive Switch(EU Standard)
Acrylic Circular Grid Board for Velocity Measurement
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$1.00
Special Price
$0.20
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Use this module to measure the velocity of wheels or motors. With a light, laser or Infrared emitter and receiver, this module would be help in DIY applications such as mobile robot.
Features
Diameter:3.8mm
Thickness:0.3mm
Grid:20