PiWars update: menu control system
![PiWars update: menu control system](https://lorraine.mcunderwood.org/content/images/2019/11/light2.jpg)
Just to catch up and remind folk: Shetty is a caving rescue robot. It has a caving helmet and light. Inside the light is an OLED screen, neopixels and the camera. The light knob has been hard wired to control a menu on the OLED screen.
It's super cool!