Prototype 2 uses a different IMU and Microcontroller with the EDtracker software package
Prototype 3 - Uses "Plastic Flute Panel" with a plastic ABS frame. Lightest prototype so far at 380g.
Prototype 4 will be the same design but replace the ABS with a Nylon SLS printed fram. Plan to remove the 1080x786 screen for a 4k. Upgrading to EDtracker Pro.