This is  a Flywoo another smallest but most spowerfu l GOKU 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  BS13A / 35A  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 GN405 Nano16X16 FC 

• MCU: STM32F405 BGA
• IMU: ICM42688 \ MPU6000
• 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

BS35A BLheli_S 2-4S 4in1

• Weight: 2.5g
• Mounting Hole: 16x16mm (M3)
• input voltage ： 2-6S
• - Support Oneshot, Multishot,  DShot150/300/600

Wiring diagram