If you have purchased a version of our brushless gimbal controllers that use alexmos simpleBGC that you cant update (due to special bootloader) then you can always replace it with the open source brushless gimbal software which you can find here
What you will need
Burning the arduino bootloader
Connect the USBasp board to the brushless gimbal controller as shown below. You can use some spare headers so you dont need to solder pins onto the board. You might need to hold it in place while burning the bootloader so be careful!
Now open the arduino software and select the USBasp as the programmer
Now with everything connected you can now burn the bootloader
During the burning progress, the arduino software will display a message near the bottom. Be patient as this process can take a long time (up to 5 minutes)
When it is complete the Arduino IDE will show the message Done burning bootloader!
Now the new bootloader has been burned, you can now proceed to open the brushless gimbal firmware (_BruGi.ino) and upload it as a regular arduino sketch!
If anyone has question please ask them below