Magnetic Door Switch 220 V - 50 W atmega32a Easy to assemble and install

Easy to assemble and install with simple operation which makes it suitable for 3-axis cutting and engraving machine

automatic transceiver conversion

LED lights will trun on automatically in dark conditions

This circuit features dual 1-line-to-4-line demultiplexer with individual strobes and common binary-address input

motor vehicle detector

Magnetic Door Switch 220 V - 50 W atmega32a Easy to assemble and installDoor 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