In this chapter, we will build the first complete application of this book using Arduino and Android. We will build a small weather station using Arduino, which will be accessed by an Android app via Bluetooth.
On the Arduino side, we will build a simple weather station using a temperature and humidity sensor along with an ambient light-level sensor. We will connect a Bluetooth Low Energy (BLE) module to the project so that the Android phone can access the measurements wirelessly.
We will develop a simple Android app with an interface that allows us to: