The purpose of this tutorial is to walk through the required steps to upgrade NXT chip (or pocketchip) from debian jessie to debian buster.
If you would like to start your Chip from scratch, follow the steps in the Preparation section.
A linux host machine, recommended Ubuntu 18.04. However I managed to do it with 20.10 with some tweak.
I bought four of the Next Thing Co. (defunct since 2018) C.H.I.P. (CHIP hereafter) computers shortly after their successful Kickstarter campaign of 2015. The CHIP computer is an interesting beast. It was positioned as a competitor the orginal Raspberry Pi and only cost US$8.00 before shipping. The Raspberry Pi cost US$25 at the time. The CHIP had some features that the Pi did not at the time including built-in wi-fi and battery charging. It was also considerably smaller the original Pi.
The CHIP was shipped with Debian 8 (Jessie) and was a capable Linux computer. I had big plans for all of them, but the