Reed Switch Magnetic Door Sensor
—A reed switch module closes when a magnet comes near, the sensor used in almost every door and window alarm contact.
Specifications
- Glass reed switch with comparator board
- Digital output, some boards also analogue
- 3.3-5V supply
- Typical operating distance 10-20mm
- Available as a bare switch or with a matching magnet
What you can build with the Reed Switch Magnetic Door Sensor
- Door and window open/closed sensing
- Home Assistant contact sensors
- Mailbox and gate monitoring
- Lid and drawer detection
Compatibility
Works with Arduino, ESP32, ESP8266, Pico and Raspberry Pi on a digital input. Draws no power when idle, which makes it the right choice for battery-powered contact sensors.
Shipping
Dispatched from New Zealand with courier delivery nationwide, including rural addresses. Prices are in New Zealand dollars.
Availability: Sold out
A reed switch module closes when a magnet comes near, the sensor used in almost every door and window alarm contact.
Specifications
- Glass reed switch with comparator board
- Digital output, some boards also analogue
- 3.3-5V supply
- Typical operating distance 10-20mm
- Available as a bare switch or with a matching magnet
What you can build with the Reed Switch Magnetic Door Sensor
- Door and window open/closed sensing
- Home Assistant contact sensors
- Mailbox and gate monitoring
- Lid and drawer detection
Compatibility
Works with Arduino, ESP32, ESP8266, Pico and Raspberry Pi on a digital input. Draws no power when idle, which makes it the right choice for battery-powered contact sensors.
Shipping
Dispatched from New Zealand with courier delivery nationwide, including rural addresses. Prices are in New Zealand dollars.