LD-2 works with e-switches. But modes are fixed AFAIK - it’s not like the ATtiny13a drivers where you can swap/modify programs.
Ramping is one of the ui’s available for e-switch use. A resistor change can reduce the max current. See the into thread for the formula to choose the correct resistor value for a given max current.
I'm not sure if my post/answer about ramping is deleted,so I'll repeat (and definitely must refresh OP):
Ramping UI is removed in LD-2,instead of that,UI_2 in now "discrete ramping",so by holding switch you ramp up/down through existing discrete modes (moon,low,med,high),double press toggles mode between min/max,normal press is on/off (last mode from off),long press from off is for lowest mode from off.
what happened to the info thread? it doesn’t load at the moment:
Yep. noticed that too. The matrix is being wonky this morning!
That’s because the Matrix runs on Windows!
Ledpower is working with SB to fix it
Price and minimum quantity drop!
Minimum order quantity for European Union countries is now 1 piece,and only 2 pieces for rest of the World.
Also more max. current set resistors choices now:5A,7A,8A,9A,10A or 12A
Added: STANNOL 0.7mm HS10 solder wire
2S-4S parts are currently out of stock!
Have you done any further testing with the remote board idea?
It's still in progress.
Thanks for dropping the MOQ 
Moved to info thread:
Any thought of making 22mm driver’s?
Plenty of 22 mm adapters available. The production cost of this board might make it hard to keep affordable in several sizes.
I would like to ask when it will be available again?
Thanks!
1-2 weeks.
Order placed for 5 more drivers, 4 full resistor sets and 2 moonlights+tracking.
Thanks for making these drivers and lowering the min order amount, they are awesome so nice to not have a turbo timer !
2xLi-ion(“6V”,2S) support parts are back in stock,also I added options for 3S and 4S cells support.
Is it possible to order 1 or 2 of these to the UK fully setup to go with moonlight mode and 6V support, all soldering done?
Yes,min. order for EU is 1pc.