Video 1

This is a quick view of the very first test. It was to check whether the frame properly aligned worm screw and gears. The reduction ratio in place is 100:1. I am driving this with a bare metal RC transmitter/receiver, no MCU at all.

Video 2

This has a fully assembled frame. I am driving it using Firefox running on an Android tablet. Patti is powered by a Pic32 with a 6LowPan WiFi on-board.

Video 3

Here it's also carrying a brush cutter, which makes it weight about 30 kilos. It's driven from Chrome running on a laptop.