"Designing Purpose-Built Drones for Ardupilot Pixhawk 2.1: Build drones with Audronis, Ty" is a book written by Ty Audronis, published in 2017. It focuses on how to design and build drones specifically for the Ardupilot Pixhawk 2.1 autopilot system. The book provides valuable insights and guidance for individuals looking to create custom drones with the