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Doorbell that never gets boring

Tommi have sent us a notice about his latest project he’s been working on. Its called mbell. And so – it is an interesting wireless doorbell mod which instead of boring ding-dong does interesting things. It actually takes some space on a wall and this is because marble run doorbell. Once guest pushes a button marble is released and goes all the way down to bras bell. Another motor mechanism then returns marble back to start position to accept new guest.

The doorbell is based on Mbed microcontroller which does even more than accepting signal from RF receiver and controlling motor. There is also a DS1307 RTC that keeps time. Doorbell has a standard LCD where last ring time is indicated. And another feature – a Wi-Fi notification using RN-XV. It sends a notification to Google talk every time a doorbell is activated.

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