2019 Learn 2 Solder badge and components for 2019
 

 

This video breaks down the completion of the Red Gem badge:

You can also view full text instructions [here].

 
The code which is running on the ATtiny is [available for viewing here].

 
This video shows you how to solder the 1 of 100 badge, if you win it and don’t have time to complete on site: