An Arduino Mega board is used for controlling the relay through which an appliance is switched on/off. You can modify the Android app to add more functions. Voice controlled home automation system ...

1. **Arduino Board:** The Arduino is the brain of the system, a programmable microcontroller that coordinates all operations. It receives input from various sensors, processes this data according to ...

In this case, the devices include: alarms, fans, lights, and screens. UART communication protocol is used as a medium for data exchange between Bluetooth and Arduino Mega board. While the type of UART ...

1 and block diagram of the IC tester is shown in Fig. 2. Fig. 2: Arduino based digital IC tester Arduino based digital IC tester circuit Circuit diagram of the digital IC tester is shown in Fig. 3. It ...

provided that everyone can make his own hardware with an Arduino Mega like architecture (the diagrams of the Arduino board are opensource) and integrate everything into a single board or two ...