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LM393 Comparator Speed Sensor Module PCB Board DC 3.3-12V for DIY MCU
Product Name Speed Detector Sensor Module Chip LM393 Working Voltage DC 3.3-12V PCB Board Size 3.1 x 1.3cm/1.2" x 0.51"(L*W) Materials PCB Main Color Blue Net Weight 7g Package Content 1 x Speed Detector Sensor Module - Reviews
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