Here I will document the parts list and build guide for all BLM users. Once there's a bit more knowledge a wiki page could also be written.   BOM: http://www.mouser.com/ProjectManager/ProjectDetail.aspx?AccessID=e31c510729  Quantity Recommended Description Resistors 660-MF1/4DC1002F 4 4 10k through hole 652-CR1206FX-1002ELF 41 100 10k 1206 652-PTL45-15R0-103B2 4 4 10k slider, 15mm shaft, red LED 652-PTL4