If you may know, I’m the developer of TechExpansion (not to be confused with Tech Expansion). You may also know that I was working on an API for it that uses “eV”, which is 1 Mekanism Joule equivalent. The progress of that sadly has come to an end. I found out that CoFH’s CoFHLib which includes an RF API, and that has code (source only, will be bundled) for 1.9, and 1.9 is almost identical as 1.10 for modding. Also, if you have heard of “Engineer’s Toolbox”, for now, I am going to make TE machines similar to Engineer’s Toolbox machines, minus the modules. I will be updating to 1.11 as soon as I can, but that may make me drop support for 1.8.9 to keep from being to overwhelmed on creating mods.
TL;DR: READ THE POST!!!!