This is  a Flywoo another smallest but most spowerfu l GOKU HEX 405 Nano flight controller packed with features including a barometer, 16MB blackbox, 6 complete hardware serial ports, I2C functionality and WS2812 LEDs on each corner. 

 It is specifically designed to be pin mounted to the Goku HEX  BS13A 4in1 16x16 ESCs but can also be soldered via pads. The programmable WS2812 LED on each corner provide low profile lighting for this tiny FC

Features

• F405 BGA MCU
• Barometer
• 5V 2A BEC
• Black Box 16MB
• 6 UARTS
• WS2812LED

Specifications

GOKU HEX GN405 Nano16X16 FC 

• MCU: STM32F405 BGA
• IMU: BMI270 (SPI) 
• Barometer: BMP280
• input voltage ： 2-6S
• Onboard LED：WS2812*4
• 6 hardware UARTS (UART1,2,3,4,5,6)
• Supports serial receivers (SBUS, iBus, Spektrum, Crossfire) only.
• PPM and PWM receivers are not supported.
• Onbord 16Mbytes for Blackbox logging
• 5V Power Out: 2.0A max
• 3.3V Power Out: 0.5A max
• Dimensions: 22x22mm
• Mounting Holes: Standard 16/16mm square to center of holes
• Weight: 2.3g
• Firrmware : FLYWOOF405NANO

BS13A BLheli_S 2-4S 4in1

• lBS20/35A BLheli_S 2-6S 4in1
  
• Weight: 2.5g
  
• Mounting Hole: 16x16mm (M3)
• Support Oneshot, Multishot,
• DShot150/300/600