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GND: 5V power input
in addition to soft-start capability
3-in-1 gas detection: CO
2V – 45V
it is simple to use one microprocessor to control many DS18B20s distributed over a large area
LDR Light Sensor Switch 220V AC Automatic Robot Kit GND: 5V power inputThe LDR Light Sensor Switch (220V AC) is an automatic light dependent resistor switch module that turns electrical loads ON at dusk and OFF at dawn. Ideal for automatic street lights, garden lights, and outdoor lighting control. Input Voltage: 220V AC Sensor: LDR (Light Dependent Resistor) Automatic ON at dusk, OFF at dawn Suitable for street lights, garden lights, and outdoor lighting Adjustable sensitivity Easy installation with standard wiring
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