This product is a data logger, which can record data on the memory card through uart universal serial port. This function is similar to a black box, which records the data sent by the main device to the serial port and saves the data in text form on the memory card. This product can be used for flight control board with cleanflight firmware, connected to the corresponding serial port, and can record the important operation data of unmanned aerial vehicle on the memory card through the setting of the host computer software cleanflight configurator. The flight record is played back and analyzed by Blackbox flight data recorder software.

Input voltage: 3.3V ~ 12V (recommended 3.3V ~ 5V)
The memory format is FAT32 and supports up to 64GB of memory.
UART serial interface
Baud rate 2400, 4800, 9600, 19200, 38400, 57600, and 115200 adjustable
The default bootloader is pro mini atmega328P 5V 16mhz