I got a mDrawBot from Makeblock a few days ago. This awesome robot kit is a kickstarter project now. Today I transform it into a self-balancing vehicle with a MPU6050 module. Check it out.
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Step 1: The Frame
Just three pieces, pretty simple.
Step 2: The Motors
Then fix the stepper motor to the "L" piece.
Step 3: The Main Frame
Step 4: Wheels
Step 5: Wiring
Step 6: The Battery
Step 7: MPU6050
Step 8: Coding
Download the code here.
Step 9: Show Time
There seem to be something wrong with the Kalman Filter. I will check it later.