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Interface: SPI or 16-bit bus interface
part three: UART mode
of Inputs: 1X4
Detect VOC (Volatile Organic Gas Concentration) Gas such as formaldehyde
Input Voltage：DC 6 V
Magnetic Door Switch 12VDC- 220 VAC - 50 W cast Interface: SPI or 16-bit busDoor switch sensor used for Home security for alarming doors and windows when they are opened. Contacts are closed when magnet and sensor are together. The sensor consists of two main parts, a magnet and as switch with terminals to connect the signal wires. The magnet mounts to a door or access panel, while the switch mounts to the frame. When the door is closed the two pieces should be in close contact of each other. When the door opens this distance
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