Chapter 5. WhatsApp Laundry Room Monitor
In this chapter, we'll see how to implement a laundry monitor room with several sensors capable of alerting the user directly on their WhatsApp account when a specific event occurs.
We'll see how to connect a sound sensor and a light sensor to our BeagleBone Black and then how we can monitor our washing machine with them. Also, we'll see how we can interact with the user directly on the user's smartphone by using a WhatsApp account in order to notify them of some events.
The basics of functioning
Let's assume that our laundry room is equipped with a washing machine and a lamp used by the user when they have to pick up the laundry. In these conditions, the BeagleBone Black can be equipped with some special sensors to detect when the washing machine has started or finished its job and when someone goes into the laundry room to pick up the washed clothes.
In this scenario, the BeagleBone Black should detect when the washing...
