Microbit Robotbit OTTO V2.0（with STEP）

use microbit and robotbit to make a otto robot.I hope you like it
https://youtu.be/ef2_kbGZZrg
https://youtu.be/zyBi9XAFCG0

software:
use makecode:
robot code: https://makecode.microbit.org/_WbELMw9CaeAp
2.4 gamepad code: https://makecode.microbit.org/_H974refXzYUF

hardware:
2xMicrobit+Robotbit+8 9gservo+3D printingr parts
you can buy in banggood：
https://www.banggood.com/Robotbit-PlugPlay-5V-Multi-functional-Extension-Board-For-DIY-Programming-p-1234506.html?rmmds=search&cur_warehouse=CN

User Guide
https://www.yuque.com/kittenbot/hardwares/otto#wd3We