This set is commonly used with security systems.
Garage door contacts closed circuits.
Camera photo.
This set is commonly used with security systems.
Luckily they re small and pretty affordable.
So this thing provides the ability to activate two relays or monitor four contact sensors.
These garage door contacts for closed circuits are used for systems that expect a closed circuit when the magnet and sensor are together.
When the magnet and sensor separate the circuit opens.
That means i needed two zigbee io devices.
When the magnet and sensor separate the circuit opens.
These garage door contacts for closed circuits are used for systems that expect a closed circuit when the magnet and sensor are together.
2x magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch to dc 5v 12v 24v light black 4 2 out of 5 stars 9.
These contacts can be as far as 2 apart and still operate.
Seco larm sm 226rq enforcer overhead door mount magnetic contact closed loop adjustable to fit most door channel widths 2 3 4 70mm gap 24 61cm wire leads enclosed in armored cable 4 7 out of 5 stars 19.
These contacts can be as far as 2 inches apart and still operate.
Smart wi fi garage door opener wireless garage door remote open and close garage door from anywhere compatible with amazon alexa google assistant 4 1 out of 5 stars 746 32 99 32.
Heavy duty magnetic garage door switch n o.