Has anyone modded a H1-A boost driver?

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vinte77
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Has anyone modded a H1-A boost driver?

I recently built a p60 dropin with the Kaidomain H1-A boost driver (http://budgetlightforum.com/comment/1111828#comment-1111828) and I wanted to see if anyone had any mods that they’ve done to the driver. The driver has 5 modes: LL-L-M-H and double click for strobe. Additionally, here’s a several things I’ve noticed about the driver : 1) there’s a pre-flash when you go to the lowest mode, LL; 2) there is next mode memory; and 3) on my build a tail light switch does not affect the driver modes (without adding a bleeder resistor). The output on the driver is good, I got around a 5 amp reading on 22 awg wires and no wire bypass on the driver spring.

Main issue for me is the Next Mode Memory, I would like it if there was a way to bypass NMM and always start on low.

Edited by: vinte77 on 04/13/2017 - 16:18
CRX
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Couple pics

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doubleone44
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Should be one of the capacitors (brown thingies) for Next Mode Memory, but which one?
The big resistor (black thingies with numbers on ‘em) should be the current sense resistor (lower for more output), and the big capacitor and inductor (big gray thing) should be the main power circuit.
The big IC (black thing with multiple connections) under the inductor is probably the microcontroller, and the 3 connection IC on the bottom is probably a FET for the switching circuit.

Also have people tried this with 12V leds? From the looks of it this is a basic boost driver so it should work but with half the output.

vinte77
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Unfortunately, I don’t have a spare driver on hand to test out any ideas on. Plus, I’m not sure I have the skills to figure out which capacitor it is that controls NMM.

Barkuti
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You may want to try asking BanL, he's Kaidomain's representative (and flashaholic) around here.

Don't forget to ask how the @#$% do they dare to implement such a PoS in an expensive product geared for aware people who clearly dislike that sheesh. It's an awful joke. 

 

vinte77
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I just PM’ed him. Hopefully, he has some insights into the driver that he can share with us.

Rufusbduck
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You could try the pencil trick on each one.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

vinte77
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But if I do the wrong one will it change anything else on the driver?

khas
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I guess I am lucky the H1-A driver I got also does have the pre-flash when you switch to low mode, but it has on-time memory with a ~3 seconds set time. I would rather have off-time memory but on-time is better than next mode memory

@ doubleone44 : I will test the driver with a XHP35 when I get home it didn’t even cross my mind that it could work.

EDIT :

Just tried a XHP35 didn’t work I measured 7,22 V @ the emitter.

vinte77
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khas wrote:
I guess I am lucky the H1-A driver I got also does have the pre-flash when you switch to low mode, but it has on-time memory with a ~3 seconds set time. I would rather have off-time memory but on-time is better than next mode memory

@ doubleone44 : I will test the driver with a XHP35 when I get home it didn’t even cross my mind that it could work.

Or it could be that the driver I got that has an issue. I have more on the way that I can test once I get them in a month or so.

vinte77
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vinte77 wrote:
khas wrote:
I guess I am lucky the H1-A driver I got also does have the pre-flash when you switch to low mode, but it has on-time memory with a ~3 seconds set time. I would rather have off-time memory but on-time is better than next mode memory

@ doubleone44 : I will test the driver with a XHP35 when I get home it didn’t even cross my mind that it could work.

Or it could be that the driver I got that has an issue. I have more on the way that I can test once I get them in a month or so.

So I got confirmation from Ben that the driver has 3 second on-time memory as khas has said. I think I might’ve done something to my driver where the on-time memory got disabled. I asked Ben if he could point out the resistor that affects driver memory, so I’ll report back when I get a response.

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doubleone44 wrote:

Also have people tried this with 12V leds? From the looks of it this is a basic boost driver so it should work but with half the output.

Kaidomain has a 12 volt version of this driver. It’s rated at 1.5 amp at the emitter. The H2-C.

My Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware, lighted side switch and cut down SMO reflector. Lots of amp draws on stock driver as well.
http://budgetlightforum.com/node/54477

My Supfire L5-S thread with XHP70, Texas Avenger FET driver, NarsilM v1.0 ramping firmware and lighted side switch. My mini L6! http://budgetlightforum.com/node/55746

6 NarsilM user videos
http://bit.ly/narsil-vid1

TBone
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RS. FREAK at TLF (in German) made a resistor mod and measured lumens (but not current) on an XHP50. Using measured XHP50 power curves and a stock current of 3A for the H1-A it can be calculated that adding 1xR100 gave him about 3.55A and 2xR100 about 4.2A. Driver gets pretty hot.

Barkuti
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Determining the current sense resistor stack value for a given current is no rocket science. It can be clearly seen in the photographs the driver uses an onboard R025 sense resistor. Thus:

 

V = I × R = 3A × 25mΩ = 75mV sense voltage

 

It can now be clearly seen how each R100 set in parallel adds 0.75A to the total driving current. Of course, excluding losses.

 

In conductance terminology: 0.025Ω is 40Ʊ (siemens, A/V), so when 75mV drop on a 40Ʊ pathway (resistor), 3A of current flow through it. For the same reasons, when 75mV drop on a 10Ʊ pathway, 0.75A of current flow through it. A 10Ʊ pathway is 100mΩ.

This conductance stuff is interesting for certain applications, because:

G = G1 + G2 + … + Gn (R = 1/G)

1/R = 1/R1 + 1/R2 + … + 1/Rn (G = 1/R)

G is conductance, unit siemens, symbol S or Ʊ.

LoL! 

 

Party

CRX
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So any idea how to fix the next mode memory?

JasonWW
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CRX wrote:
So any idea how to fix the next mode memory?

It doesn’t have that. Never did.

My Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware, lighted side switch and cut down SMO reflector. Lots of amp draws on stock driver as well.
http://budgetlightforum.com/node/54477

My Supfire L5-S thread with XHP70, Texas Avenger FET driver, NarsilM v1.0 ramping firmware and lighted side switch. My mini L6! http://budgetlightforum.com/node/55746

6 NarsilM user videos
http://bit.ly/narsil-vid1

CRX
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Ah cool, read the other posts properly.
So it’s on time memory.

Anthon
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Mine doesn’t have next mode memory

JasonWW
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Quote:
Are you sure?

Yes, Banl said so in a post about these drivers and I also got a email from Kaidomain stating it as well. User Khas has an H1-A and reported the same. Mine should be arriving soon.

It has on-time memory. Meaning you have to leave it on a level for 3 seconds and it will be memorized. If you turn the light off before 3 seconds it will register that as a half press and then turn back on in the next mode.

I believe this is a driver Kaidomain is making themselves. They created the firmware themselves and its kind of a basic design. Hopefully they will figure out how to put off time memory in it. They also said they can do custom levels if 25 or more are ordered.

My Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware, lighted side switch and cut down SMO reflector. Lots of amp draws on stock driver as well.
http://budgetlightforum.com/node/54477

My Supfire L5-S thread with XHP70, Texas Avenger FET driver, NarsilM v1.0 ramping firmware and lighted side switch. My mini L6! http://budgetlightforum.com/node/55746

6 NarsilM user videos
http://bit.ly/narsil-vid1

CRX
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Thanks I missed that earlier, definitely an option now.

Anthon
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CRX wrote:
Thanks I missed that earlier, definitely an option now.

Driver is nice, it is running an xhp50.2 on my convoy L2 and performs very well. I’m looking forward to seeing boost drivers on the market

Let’s hope they make a 17mm version

JasonWW
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Anthon wrote:
CRX wrote:
Thanks I missed that earlier, definitely an option now.

Driver is nice, it is running an xhp50.2 on my convoy L2 and performs very well. I’m looking forward to seeing boost drivers on the market

Let’s hope they make a 17mm version


How is the memory working for you? Annoying or usable?

My Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware, lighted side switch and cut down SMO reflector. Lots of amp draws on stock driver as well.
http://budgetlightforum.com/node/54477

My Supfire L5-S thread with XHP70, Texas Avenger FET driver, NarsilM v1.0 ramping firmware and lighted side switch. My mini L6! http://budgetlightforum.com/node/55746

6 NarsilM user videos
http://bit.ly/narsil-vid1

Anthon
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JasonWW wrote:
Anthon wrote:
CRX wrote:
Thanks I missed that earlier, definitely an option now.

Driver is nice, it is running an xhp50.2 on my convoy L2 and performs very well. I’m looking forward to seeing boost drivers on the market

Let’s hope they make a 17mm version


How is the memory working for you? Annoying or usable?

usable, it starts on last used mode (if you let that mode for 3s before turning it off)

djozz
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hmm, 25 or more….
I know that so many people have so many preferences, so I’m pretty sure this is not going to work, but:

Say I ask Ban for 25 drivers with my favorite UI: 1%-6%-36%-100%, always start on lowest with no memory. Would it be possible to get 25 people wanting this enough to pay the extra $1.80 for the envelope and stamp to send it from me to them?

I will just start a list here in post #24, who knows how far we get…. :

1) djozz
2) djozz
3)…

DavidEF
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djozz wrote:
hmm, 25 or more….
I know that so many people have so many preferences, so I’m pretty sure this is not going to work, but:

Say I ask Ban for 25 drivers with my favorite UI: 1%-6%-36%-100%, always start on lowest with no memory. Would it be possible to get 25 people wanting this enough to pay the extra $1.80 for the envelope and stamp to send it from me to them?

I will just start a list here in post #24, who knows how far we get…. :

1) djozz
2) djozz
3)…


Well, I prefer to have mode memory, even though I don’t actually use it much. Facepalm Also, I definitely need direct access to the highest mode, especially if there are 3+ modes. If you can get direct access to both high and low from off, and a mode memory toggle, so the end user can choose, you probably won’t have any trouble getting 25 drivers sold.

Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.
-Ayn Rand

CRX
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I would be in for two with DavidEF’s variation, or just the mode memory at the very least.

djozz
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Ehm, we are talking about a clicky driver David, how do you see direct access to high and low from off happening?? And I expect with this hardware and no ToyKeeper around at Kaidomain I fear that a requested custom UI can not be too complicated.

Perhaps my favorite UI will round up fewer people than some other UI, but of course my motivation to start this is based on me wanting my favorite UI, so someone else should start an interest list for a different UI. I will just keep my list going in post #24, see what happens..

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djozz wrote:
Ehm, we are talking about a clicky driver David, how do you see direct access to high and low from off happening?? And I expect with this hardware and no ToyKeeper around at Kaidomain I fear that a requested custom UI can not be too complicated.

Perhaps my favorite UI will round up fewer people than some other UI, but of course my motivation to start this is based on me wanting my favorite UI, so someone else should start an interest list for a different UI. I will just keep my list going in post #24, see what happens..


Ehm, double click? Innocent

EDIT: Oh, and ToyKeeper is looking for a job, so…

Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.
-Ayn Rand

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1% - 6% - 36% (- 100%) mode spacing, I like that . Would also like some other sort of variable exponential driving current discrete set like: 0.03% - 11% - 33% (- 100%).

Mode memory seems fine as it is to me, last mode memory or whatever is it called.

Custom UI requests for a small fee could be a killer feature, at least for a given minimum of features: spacing and mode memory.

Not joining the party for now, would be quite unwise given my current financial situation.

 

Party

Originally posted on Fri, 04/21/2017 - 14:30; typo fixup.

Jensen567
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Just got my H1-A and H2-C drivers 2 days ago. Looks like the MCU is a PIC 12F, same as the FX30 driver that the L6 uses. So custom UI programming should be possible if the drivers were reverse engineered to determine the pinouts. Just need the PIC programmer. I just happen to have a Microchip ICD3…

Jerommel
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3.3% – 11% – 33% – 100%
O well…

Looking for:

5” parabolic reflector (for recoil light)

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