This IoT Doorbell project from Arvind Ravulavaru is powered by a Rasp Pi B+:
In this post, we will build an embedded system – A Doorbell, with Raspberry pi B+, A Buzzer and Node.js. This embedded system will act as both a normal Doorbell with a button switch and the same doorbell can be controlled over internet. Simple right?
The completed code can be found here.
So, let us get started.
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