Open/Close Plus: One Daisy which can sense a door or drawer opening and closing via magnet. It can sense temperature via analog temperature sensor. When optionally powered via USB power adapter, it can indicate power failure and recovery events. It also has two output control pins that can be used to control relays. Has extension socket for adding additional functionality via Daisy WiFi Petals. It comes standard with internal antenna, battery, and rare earth magnet included. Add $10 for external antenna. Add $10 for international shipping.

If desired, add additional Daisy Petal sensors from the list at the left to extend the functionality.

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