Electronics

This 5-in-1 flight controller is inspired by Happymodel's Official Pilot - Angry Don FPV! The Happymodel DiamondF4 AIO 5-IN-1 Flight controller has a built-in VTX ESC OSD Receiver.

The Happymodel ExpressLRS CrazyF4 is the world's first AIO 5-in-1 whoop flight controller with a built-in high-performance 900MHz ELRS receiver. This F4 flight controller has a built-in 5A ESC, 5.8GHz VTX, and OSD. This AIO is made for 1S long-range and tiny whoops.