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Low power, wireless device that informs user of regular mail.
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Snail Mail Notifier

Snail Mail Notifier transmitter and receiver

The Snail Mail Notifier is a small module based on a one-way transmitter-receiver pair and ATtiny85 microcontrollers, it's purpose is to inform a user of the arrival of regular mail as soon as the mailbox lid has been opened. The receiver can notify the user via a buzzer, a blinking LED or transmit data to a computer that can forward an e-mail.

The project development is documented on


The Snail Mail Notifier is published under Creative Commons Attribution license.

Creative Commons License

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