Sometimes you may not hear when a call or SMS is received by your phone, thanks to not having it with you all the time in the office or home - or you may have left it on "mute" and thus have no chance of knowing. Instructables member zmashiah had this problem and solved it with a neat mixture of Arduino and Bluetooth.
His custom Android app can poll the phone for missed calls, SMSs and battery level - and sends the data over Bluetooth using serial data. This is then received by an Arduino which is connected to a display of some sort - and in the example below to some large 7-segment LED displays. This can be mounted somewhere useful and will then update to match the live missed call/SMS data from the phone.
The code for Arduino and Android is supplied, so you can work with this to create your own version. To get started, visit the project's Instructable page. And for more, we're on facebook, Google+, and twitter - so follow us for news and product updates as well.
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