Magnetic Door Switch (Round) IRF610 How to Make MP3 player

How to Make MP3 player w/ LCD using Arduino & DFPlayer Mini

rejecting other coins

Future Electronics Egypt stocks the standard B type tip (round general purpose tip) and also the I type tip (needle shape) for the YIHUA 947-I soldering iron

Supply voltage (3V to 5

providing a reading distance of up to 7cm

Magnetic Door Switch (Round) IRF610 How to Make MP3 playerDoor 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