The KK 2.1.5 LCD Multirotor Flight Control Board
The KK 2.1.5 LCD Multirotor Flight Control Board is a popular and affordable flight controller board designed for multirotor aircraft. It was developed by Rolf Bakke and first released in 2012. The KK 2.1.5 board has been widely used by hobbyists and enthusiasts in the RC community to control their…