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LM393 Comparator Speed Sensor Module for Arduino
Model N/A Quantity 1 Color Blue Material PCB Features Main chip: LM393; With output status indicator light£¬ lower level£¬ light on; High level£¬ light off; Working voltage: 3.3~12V; Output format: 0 and 1 digit Application widely be used in dynamo speed detecting or Arduino DIY project Packing List 1 x Speed sensor module