A375,Magnetic,contact switch,door sensor,Raspberry Pi
Magnetic contact switch (door sensor) : ID 375 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
80A On-Off Switches With Auxiliary Contacts
Cabinet Door Contact Switch - 2amp 240v AC
China magnetic door contact switch manufacturers, magnetic door contact switch suppliers, magnetic door contact switch wholesaler - Ningbo Sentek Electronics CO.,Ltd