Home robotics is quite popular because of the accessibility and ease-of-use of micro-controllers like Arduino, and the increasing popularity of IoT devices in smart homes has only expanded the hobby even further. With Arduino, you can light your home, control LCD screens, build robots, and more; this Complete Arduino Starter Kit & Course bundle has guides on how to do this and more for $89.99. If you're new to Arduino and programming in general, it's best to start out with levels one through three of Crazy About Arduino: End-to-End Workshop. These guides introduce the basics of Arduino, such as control statements, sketching, and variables. There are plenty of hands-on projects in levels one through three; these include controlling the speed and brightness of LEDs to make animation waves, programming an ultrasonic distance sensor, and creating a buzzer alarm.