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K1208040 LM393 Infrared Speed Sensor Module for Arduino (Works with Official Arduino Boards)
Model: K1208040- Quantity: 1- Color: Black- Material: PCB board + Electric component- Working voltage: DC 3~5V- Main chip: LM393£¬ Shot-infrared head- With signal output indicator- Single signal output- Sensitivity is not adjustable- Suitable for workpiece counting£¬ motor speed measurement