The kit is at a great price and has a lot of lessons, but the lessons are all written (very very poorly) by AI and nobody bothered to proofread them. Not only is the writing atrocious, but it repeats itself, and it also repeats itself. Finally, it repeats itself, and also gives bad information (like which pin to attach wires to).
Fortunately the photos and sample code is correct, but Inventr.io really needs to hire an English major to write the story and stop trying to replace people with terr...