Sonoff DW1 433mhz Door Magnetic Sensor for Sonoff RF Bridge (Without Battery) High Speed Micro USB OTG Cable - 33 cm Laboratory & Scientific Work: Pick

Laboratory & Scientific Work: Pick up specimens

5mm) Emitter Infrared LED (950nm wavelength) Detector Phototransistor Sensitivity Adjustment Onboard potentiometer (10KOhm trimmer) Digital Output TTL level (HIGH/LOW) with threshold adjustment Comparator IC LM393 Dual Comparator Indicator LEDs Power LED (Red) + Signal LED (Green) Current Consumption ~20mA at 5V PCB Dimensions ~32mm x 14mm Mounting M3 mounting hole Connector 4-pin header (VCC

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Reliable Capacity: 5200mAh provides extended runtime for your projects

Sonoff DW1 433mhz Door Magnetic Sensor for Sonoff RF Bridge (Without Battery) High Speed Micro USB OTG Cable - 33 cm Laboratory & Scientific Work: PickSonoff DW1 433mhz Door Magnetic Sensor for Sonoff RF Bridge (Without Battery)