I want one for my Ultrafire M51, which has a 32mm board.
I have a maxtoch mcpcb from banggood, but its 26mm and thinner than the original mcpcb.
The original one isn`t DTP...therefore want something bigger.
Where do you get the XQ-E emitters and the driver(s) that can run a MT-G2 and those XQ-E? Oh wait, Mouser has red, blue and green emitters. I didn't see amber, red-orange or royal blue. Then you'll probably need a light with two buttons and enough space for two floating drivers.
6V MT-G2, 3V XQ-E. Sure, you could get a driver that works in 6V, but is there a color 6V driver, and are you willing to run half the colors by running two of them in series to get down to 3V?
I have reflowed oslon leds on XP-boards while oslon leds have a smaller footprint, it is all not that critical. With this simple double-pad footprint I'm sure you can get the 119 succesfully reflowed, even though the pads on the emitters are way bigger.
Wouldn’t be hard to pick up GND for the color channels from between the cells, especially in a sidexside host like say a ZY-T08. Or use an SRK style light with 2p2s 18350 and 2p1s 18650.
I guess the race is on between tterev3 and I now.
Edit: in fact it’d eliminate the need to voltage protect (Zener mod) the MCU since it could run off the low voltage side. That’s it, I’m doing this. Who wants to bankroll?
Overlapped the pads, no doubt you can do it as you said, but I am not sure how useful is to fit 4.1 times bigger LED there. Took the size info from the datasheets. Luxeon Z is the same size and pads as Luxeon UV, turns out they will fit just fine on the same pads and be discreet as XQ-E are.