STM32 32-bit microcontroller based 3-axis brushless gimbal controller board

scheme and design by OlliW
layout by Martinez (v0.17) and OlliW (above v0.17)

current version: v1.3

the STorM32 BGC board is open source hardware, under the terms of the TAPR Open Hardware License as published by the Free Hardware Foundation, see http://www.tapr.org/ohl.html

the firmware is free and the GUI is open source, for the details of the terms of usage/licenses see here

further resources:
- project web page http://www.olliw.eu/2013/storm32bgc/
- thread at rcgroups http://www.rcgroups.com/forums/showthread.php?t=2055844
- wiki for the documentation http://www.olliw.eu/storm32bgc-wiki/

changes in v1.3:
- voltage regulator in DPak package
- AUX2 instead of 3.3V pin at AUX port
- solder jumper to disconnect bluetooth led
- values of resistors R12,R13,R22 changed
changes in v1.2:
- minor issues of v1.1 corrected
- Futaba S-bus support
- Spektrum sattelite connector
- usb disconnect network modified to suite F4 processors (thanks ala42!)
- usb voltage protection diode added (as in v0.17)
- further minor changes in scheme and layout
changes in v1.1:
- reverse voltage protection added
- layout supports TC4452 motor drivers in DFN package for increased power capabilities
- high-side pnp open collector output for driving an IR led added
- additional connector for I2C#2 port added
- larger solder holes and pads for battery power connection
- improved pin arrangement for easier use

pictures of the v1.2 board (with DFN packages) and v1.3 board (with SOIC packages):