# RF open/close sensor

Open/close sensor on ATmega168/328 + nRF24.

## Features

1. Power consumption in sleep mode approximately 10 μA. Up to 2 years of operation on one CR2450 battery (estimated).
2. When triggered transmits the battery level charge and contact status (OPEN/CLOSE).
3. Can be used with normally closed and normally open contacts.
4. Automatic restart in case of a hang-up.

## Note

A gateway is required. For details see [RF Gateway](https://github.com/aZholtikov/RF-Gateway).

Any feedback via [e-mail](mailto:github@zh.com.ru) would be appreciated. Or... [Buy me a coffee](https://paypal.me/aZholtikov).