This document provides information about hardware development boards that can be used for Internet of Things projects. It discusses microcontrollers like Arduino, Raspberry Pi, Intel Edison and ESP8266 boards. It describes the specifications of different Arduino boards including the Uno, Leonardo, Mega, Nano, LilyPad, Yun and others. It also discusses sensors, actuators and communication modules that are commonly used in IoT projects. Examples of IoT scenarios involving health monitoring, environmental monitoring, transportation and more are also presented.