The CrazyBee F4 is a compact 2-4S brushless F4 flight controller with integrated 4in1 ESC, BetaFlight OSD, and 2.4G receiver all on the same board. You only need to add motors, VTX and Camera to complete your setup. It’s one of the most popular FCs for Tiny Whoops, Toothpick Drones and Micro Drones.
This is the latest revision of the board which features an updated MCU from STM32F303 to STM32F411 and also with an extra UART added, making it with two UARTs in total. It also now includes a built-in current sensor and uprated 10A per channel ESC.