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