S41 needs a 17mm driver with Bistro
there is normal TA Bistro with triple channel
and there is the newer Bistro HD OTSM
OTSM has advantages with lighted tailcaps and when the light is hot, where the normal Bistro with OTC gets problems
the tail switch board in the S41 has already pads to place lighted tailswitch LEDs
Thank you. So I’ll take
(1) 17mm 1S Bistro HD OTSM short spring, SD=2.8V
standard light with lighted tailcap and perfect timing
14$ driver, 0.3$ spring, 2$ shipping to Poland = 16.3$
some more drivers reflowed
flashing, calibrating and testing in progress
Thanks for that suggestion, didn’t have any quick cure epoxy to hand, but cyanoacrylate does the trick too 
Managed to stick down the minute (0603?) 10k resistor I salvaged from the original S42 board.
Excel sheet updated
getting close to have used most parts for the planned 100 drivers
The source for my AMCs seems to have changed supply
I can build some more with PSMN3R0-30YLDX FET
What’s the status of 38.5 mm drivers?
If it’s possible to get one, how much can I shave off the edges? My Heikelite MT02 seems to have a driver somewhat smaller than 38 mm, though I can’t measure it semi-accurately without making the light unusable for me for several days.
I’ll check it if the driver is available.
Hi,
I got no 38.5mm boards left
it makes only sense to order 3 of em with 3 requests, as this batch is close to be finished
the 38.5mm could be reduced in Diameter 3-4mm tops
8 orders are now ready for shipping
That’s OK.
BTW, have you considered using the Centurion FETs everybody is talking about in the next batch?
which FET?
One thing is that my AMC supplier does not have the claw type anymore
I hope other supplier with claw will be as good
I purchased these on the 30.8.17 and they were the claw type.
I think they have not updated the Ebay picture
https://www.aliexpress.com/item/100PCS-New-AMC7135-L7135-350mA-2-7V-6V-LED-driver-ORIGINAL-ADDtek-SOT-89/1886457489.html
I got it wrong again. It’s Hyperion. Infineon 09NE2LS5.
I am in need of a 46mm 2s driver for a Haikelite MT03 II.
I am looking at the TA46 LDO but that would require that i buy three pcbs. The MF01 driver is basically the same or am i wrong?
Do you have components left for one of those? I only want a two channel driver since the 7135s dont like the 2s anyway.
The MF01 driver has a bigger diameter
I got the same issue as I order when 3 MF01 are requested
I have here still 46mm SRK drivers left that I can modify for MT03, I did that 2 times and one is already in use, the center solder mask needs to be romoved for the spring and the Diode replaced with LDO
Oh nice! What driver board is that?
Can it be configured with two channel NarsilM?
It can be done with 2 Channels but I didnt test it, the bank of AMCs is nice in middle brightness
I do like the three channels but are they not prone to breaking with 2s input? I can go with three channel since it is tested.
Del had 2 capacitors added for protection
Only that 27000lumens light with the Infineon FET killed the AMCs, while it worked with SIR404 that I use as well
The claw AMCs take it well so far, the voltage is not the poblem its when the FET comes to play
Ok sounds good then
I will order one 46mm 2s driver for MT03
NarsilM LDO 65°C, SD=6v, PO=(2B)
old quote, but FYI the latest Q8 e-switch build maps the TA modegroups onto a FET+1 driver. It's e-switch, it applies an indicator voltage on pin 3, and the modegroup ramps are matched up (matching transition from 7135 to FET) ideally for a driver that outputs 16A, That last part is always an issue though unless ramps are customized for a particular light, but it's not a big deal, just affects mode spacing a little in the middle modes.
Anyway, I can easily configure a build for FET+1 clicky switch, either with or without OTSM, that uses TA tripple modegroups. This requires no real programming change, just customizing the configs before compiling. If there is demand for it, let me know. This kind of configuration doesn't have to be done by me either. HD is designed to be reconfigured in these ways, but I wouldn't expect lexel to do it unless he just wants too, it's certainly extra work for mass distribution and he's selling these real cheap. Sometimes I might do it, and of course enthusiasts can do it themselves and re-flash.
Oh, yes, the reason I was trolling this thread is because of that Q8 firmware. It's a stock Q8 firmware, not a TA Q8 firmware. I think the bistro-eswitch-HD-TA should probably work on the TA Q8 board, but I'll review it. I assume the TA Q8 board doesn't use an indicator led (no pins left)? Now that I look at it again, it should work fine on the 2S/4S board too.