look at my posts. my first DIY was a convoy s2 from mtn-electronics. I used the s2 host, a qlite driver and an xm-l emitter. if u can solder, u can do it. just read lots of posts on here. there is a lot to learn but start slow. I am just now looking to put together another light——- here is a post about my s2:
well I put it together tonight: Convoy S2 Flashlight host QLITE REV.A 7135*8 3.04A LED DRIVER CREE XM-L2 T6 3C LED on Noctigon 16mm MCPCB ordered those parts from mtn-electronics, and ordered a tangsfire cheapy 18650 2900mah. battery with charger from tmart—mainly got it for the charger and I’m gonna order some Panasonic cells soon. I haven’t measured anything but can only compare to my only other real light- a fenix pd30 premium Q5. I left the driver in stock 3-mode. low is great for aro…