In previous article, i wrote about controlling home appliances using GSM/GPRS devices. In this article, we learn about how to control home appliances using your smartphone (android) – Bluetooth module, micro controller, peripheral driver and Relays!
Bluetooth is used for short range wireless communication. Bluetooth is a standard wire-replacement communications protocol primarily designed for low power consumption, with a short range (power-class-dependent, but effective ranges vary in practice.
Here we see how we can connect the bluetooth module with 8051 microcontroller device