For the two projects in this chapter, we will use the circuit from Chapter 11, Creating a Doorbell Button Using Bluetooth. We will also make use of the Blue Dot app for Android devices as described in Chapter 11, Creating a Doorbell Button Using Bluetooth. The following is a diagram of the application we will create in this chapter:
We will create two versions of this application. The first version of our application will be a simple Bluetooth doorbell, where pressing the blue dot fires off the buzzer and RGB LED light show. After the alarm has been triggered, a text message will be sent using Twilio Cloud Services.
An altered version of the application will use swiping gestures on the Blue Dot app to indicate particular visitors. Each of the four potential visitors will have their own unique swiping gesture with the blue dot. After the custom buzzer ring and...
