10 Stück/Set Infrarot Photoelektrische Sensor Modul Motor Drehzahlerkennung Komponenten
17,86 €
Item Type: Infrared Photoelectric Sensor Module. Widely used in motor speed detection, pulse counting, position limit, etc. Main Chip: For LM393, -beam infrared head. The module can be connected to a relay to form functions such as limit switches, or it can be connected to an active buzzer module to form an alarm.
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