Discusses construction and working of sensors including ultrasonic sensor, temperature sensor and optical sensor. Covers construction, working, programming and interfacing of IO devices. Discusses programming, interfacing construction, and working of relay with Arduino board for controlling high voltage devices. Covers interfacing diagram of devices with Arduino board. Provides videos demonstrating implementation of programs on Arduino board.

Discusses construction and working of sensors including ultrasonic sensor, temperature sensor and optical sensor. Covers construction, working, programming and interfacing of IO devices. Discusses programming, interfacing construction, and working of relay with Arduino board for controlling high voltage devices. Covers interfacing diagram of devices with Arduino board. Provides videos demonstrating implementation of programs on Arduino board.