Amazing amount of effort and contribution for BLF! :+1:
Good Job!
Hi Lexel, do you have any Eta on the 22mm buck driver?
I will order first prototype boards this weekend
I make them 4 layer for better heat dissipation, but this also makes the order in china expensive and I just odered a bunch of 4 layer 2 weeks ago, so I need to fill the 10x10cm with more boards before i do a new order
20mm Buck driver added
for Convoy L2
How many Lumen/Kcd can we expect for L2 with XPL hi with 1/2 LK50 ?
That Buck driver is targeted to drive XHP50.2 basically in that light
for throw you will have to wait for the Boost driver for XHP35 at 2-2.5A
this Buck should do fine up to 7A output but is limited to 2S input
Nice one Lexel,
how much are the buck drivers for the L2 / Xhp50.2 ??
Can Bistro be used with these drivers?
sure it is designed on Attiny25/85 based footprints
first driver that was requested for special 48A Output on good efficiency
Looking forward to the 20mm/22mm buck drivers. I got Jaxman Z1 and a Convoy L2 that could use the drivers.
New Boost drivers:
Order with those boards made today
1S or 2S Input
6V 5-7A or 12V 2.5-3A output
17mm
20-22mm
23mm special for Klarus XT Series
24-30mm
New generation of high current Buck drivers
up to 40A CFT-90 for BLF GT
up to 33A CFT-90 for TN42
up to 25A 6V v1 or 20A 9V v2 MF01/MT03/MT09R
Outstanding! Way to GO Lexel!
Supported firmware?
Price?
And where can I buy them? 
I second this request
Firmware as usual NarsilM v1.2 Gigathrower
ramping to 100% also possible
Bistro HD OTSM I have to look into to modify the firmware to have right modes
Prices:
for the Buck 20 and 22mm will be 17.5€
for the 17, 20-22, 23mm and 24-30mm Boost I have to calculate when they are fully tested, but parts costs about 5€ more than the LM3409 buck
for CFT-90 drivers 75-80€ depending on additional current and high current parts
this is not a cheap one just the parts cost more than 35€
Nice! The prices are higher than I’d like, but about where expectations were set. I’ll not be using them as often as I’d like, but I can already think of a few lights I’d use them for, like either driving the XP-L HI in my L2 harder, or replacing it with an XHP35 HI.
I’ll probably not be using one to build an S2+ with a shorty tube and a XHP70.2 or an XHP35 HI though, not anytime soon.
My 17mm TA drivers for my C8Fs came in and I built my first light— I finally have a rifle light with a complete FET tail switch (also from Lexel) working tonight! Project started on Jan 5th… final product (working in the hand today March 12th) after a lot of research and time.
Thanks (again and again) to Lexel for his killer toys AND his patience with my many questions. :+1: 
I also thank those who contributed your time and ideas to help create what are the worlds most amazing lights!
I showed the C8F to my wife’s dad and uncle and they already want one. Anyone who sees these amazing little lights at night immediately get excited and curious. They are great toys (for adults) but to me they are a tool I will be using to hunt pigs at night— and I now have a request for four more. :person_facepalming: might be buying some Fofirn C8s or maybe a few KDLitker C 8.2s 
BLF rocks!!!
ps. final pics WILL come after I finish the custom wire to my gun handle switch project.