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Made from 3mm thick aluminum sheet
If you are using arduino connect this pin to Ao
Dimension: 81mm x 48mm
This protection is accomplished by four Transient Voltage Suppressors
A piezo is an electronic device (sensor) that generates a voltage when it's physically deformed by a vibration
Magnetic Door Switch (Round) DC Fan Made from 3mm thick aluminumDoor 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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