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Old Apr 14, 2013, 07:58 AM
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EvvGC v1.2 PCB connection diagram

Firmware Loading over USART1.
1.Install "Flash Loader Demonstrator"
2.Disconnect all motors and power supply(battery) from controller.
3.Put Jumper on BOOT0 and NRST
4.Connect "USB To COM" converter to USART1 port(CP2102 board has 3,3v output, and it is cheap)
5.Connect converter to USB and open "Flash Loader Demonstrator"
6.Remove NRST jumper.
7.Select your COM port and BR=9600>Next>Next>Next>Select HEX file from project directory>Next
8.If successful, disconnect USART1, connect motors and supply.

Use FW03preB or newer!!

Yaw AutoPan Potentiometer

MPU6050 Orientation

About MOSFETs burning problem on PCB v1.2.
Looks like mosfets sometimes burns even if GPIO is configured immediately after power on.
Current solution for this is to add 1-3,3K resistors on BSS123.
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Last edited by evvaldis; Jul 20, 2013 at 07:27 AM.