3 The FOXEERF405 described here:
5 This board use the STM32F405RGT6 microcontroller and have the following features:
6 * 1024K bytes of flash memory,192K bytes RAM,168 MHz CPU/210 DMIPS
7 * The 16M byte SPI flash for data logging
8 * USB VCP and boot select button on board(for DFU)
9 * Stable voltage regulation,9V/2A DCDC BEC for VTX/camera etc.And could select 5v/9v with pad
10 * Serial LED interface(LED_STRIP)
11 * VBAT/CURR/RSSI sensors input
12 * Suppose IRC Tramp/smart audio/FPV Camera Control/FPORT/telemetry
13 * Supports SBus, Spektrum1024/2048, PPM. No external inverters required (built-in).
14 * Supports I2C device extend(baro/compass/OLED etc)
16 * Supports MPU6000 or ICM20689