I've been building from the BI from Ngoc Nquyen for an hour in LDD.
I came up to step 20.
I think i will stop now. Building some model that I will never get my hands on (through TLG), doesn't work for me.
RC-Brick is a two-channel proportional control module for LEGO electric Power Functions system using radio-controlled models.
You can find video's here: https://www.youtube.com/channel/UCav-bOoKxveJsB1uKy_PyEg/