There is no better way to learn robotics than building your own robots and program them. Care to build a robotic hand with wireless control? This guide from MertArduino has you covered. It involves building a robotic hand with an Arduino UNO R3, 5 servo motors, flex sensors, and a few other parts.
Once you wear the glove, you can use simple hand movement to control the robotic arm. More about this project is available here.