Automates the Draconic Reactor from Draconic Evolution for 1.12.2
This video from The MindCrafters explains it. This is using a different script, however the setup is the same.
You can also use an emergency charge system, if you do want that then you'll need to put a flux gate inputting energy into an energy injector above the computer.
Paste these lines into the computer
pastebin get GBMUNXdR startup
startup