Make your Mailbox smart with an ESP12-E/F, two buttons and MQTT.
- ESP12E or ESP12F
- 4x 10k Resistors
- 2x Limit Switches
- Battery or other power supply
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For the front (Postman) hatch place the Reset-Button (Normally-Open-Button, NO-Button) in a way that the button is pushed while the hatch is open
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For the rear hatch place the Enable-Button (Normally-Open-Button, NO-Button) in a way that the button is pushed while the hatch is closed