MTN Electronics: LEDs - Batteries - Lights - Chargers - Hosts - Drivers - Components - 1-Stop-US Source

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RMM
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Mike C wrote:
Richard, will you be assembling the lights yourself? If so, would it be possible to order a few without the drivers?

No, they are coming pre-assembled.  I do not know if they are going to offer this as a host in the future or not, although IMO it would be a welcome option.  I know that they have been super busy getting this first run put together, so maybe after that I will ask if they can ship some hosts. 

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  Hat tip to Richard at Mtn for helping me solve a self-inflicted H17F driver issue quickly, patiently, and utterly without drama.   Richard, your rep for excellent customer service is clearly well-deserved.  Thank you again for your help!

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I see you have the xhp70.2 in stock. I’ve put my order in! Thanks.

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Cousin Elmer
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RMM wrote:

…. the H1A is really really close to what I was going to build anyways, but I could never touch that price point.  They are even using the same IC, even though they scratched the markings off LOL (TPS61088).  

If you did build some with a customizable UI I’d buy one for each of the MT-G2 emitters I’ve bought from M.E. over the past few weeks; and probably buy a couple more MT-G2s from your remaining stock. I’d pay at least what I’ve paid for the H17F drivers.

The next best thing would be to figure enough about how the H1-A works to be able to write firmware for the PIC controller. My electronics skills are likely insufficient but if the super nerds in the community figure it out I can program the controller.

RMM
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feralcomprehension wrote:

  Hat tip to Richard at Mtn for helping me solve a self-inflicted H17F driver issue quickly, patiently, and utterly without drama.   Richard, your rep for excellent customer service is clearly well-deserved.  Thank you again for your help!

Thanks for your patience as well.  Glad we got it figured out!  cool

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Cousin Elmer wrote:
RMM wrote:

.... the H1A is really really close to what I was going to build anyways, but I could never touch that price point.  They are even using the same IC, even though they scratched the markings off LOL (TPS61088).  

If you did build some with a customizable UI I'd buy one for each of the MT-G2 emitters I've bought from M.E. over the past few weeks; and probably buy a couple more MT-G2s from your remaining stock. I'd pay at least what I've paid for the H17F drivers. The next best thing would be to figure enough about how the H1-A works to be able to write firmware for the PIC controller. My electronics skills are likely insufficient but if the super nerds in the community figure it out I can program the controller.

The final version is making progress.  The have had a working power module for about 1.5 years, but the issue was that the PWM response curve was not linear.  I've got the RC filter values all figured now so you can use our normal ~19 kilohertz PWM signal on the input of the op-amp and get a linear response biasing the feedback voltage, therefore linearly changing the output, but still without any PWM ripple on the output (true constant current dimming).  Worked on the PCB a bit again yesterday and am hoping to finish it up soon.  Just need to make a few more component libraries and finish up component selection.  Again, no ETA, but I am committed now and will release the drivers as soon as they are ready.  

Prototyping always makes a mess!  cool  I finally have some decent tools though...early on I was just doing everything by trial and error.  With enough time and determination you can make that work, but this speeds up the process significantly.  Equations give you a good starting point, but as in chemistry or anything else most of the simple equations deal with ideal components / reagents --- things that simply do not exist in the real world.  

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RMM
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D4 Flashlight Pre-Order Update:

The flashlights have arrived!  We are going through and testing them all now and will begin shipping them later tonight and throughout tomorrow, so if you pre-ordered be looking for a notification soon!  laughing

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PBWilson
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Ahead of schedule? That’s almost unheard of! Thanks!

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Any clips?

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I think we will have to build our own clip. I am thinking 2 threaded holes on the flat of the tailcap and a decent clip 90 degree bent.

EDC rotation:
FW1A, LH351D 4000k (second favorite)
FW3A, LH351D 3500k
FW3A, SST20 FD2 4000k
FW3A, Nichia 4000k sw40 r9080 (favorite light!)
FW3A, Cree XP-L Hi 5A3
Emisar D4V2, SST20 4000k
S2+, XM-L2 T6 4C

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RMM wrote:

D4 Flashlight Pre-Order Update:


The flashlights have arrived!  We are going through and testing them all now and will begin shipping them later tonight and throughout tomorrow, so if you pre-ordered be looking for a notification soon!  laughing


Hurray, Thanks Richard for putting up the pre-order page as you did.
Looking forward to your notice.
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Gunga wrote:
Any clips?

The deep carry clip actually fits very securely on the light.  It is going to rub the tailcap a bit when you take it and off unless you pull the clip away as you tighten and loosen the tailcap.  

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EasyB
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Richard, are you going to stock the new 5500mAh shockli 26650 cells?

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EasyB wrote:
Richard, are you going to stock the new 5500mAh shockli 26650 cells?

Yes, I actually have them....thought I listed them but I guess we never enabled the listing.  They are more like a 27650 BTW (very wide diameter).

Here they are

 

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hatman
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RMM wrote:

Gunga wrote:
Any clips?

The deep carry clip actually fits very securely on the light.  It is going to rub the tailcap a bit when you take it and off unless you pull the clip away as you tighten and loosen the tailcap.  


Excellent — thanks!

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Does the D4 also have presets for low mid and high or is it ramping only? Ramping might be nice but I think it ‘ll be difficult to estimate runtime while actually using it.

Idiot proofing something only creates improved idiots.

Cousin Elmer
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RMM wrote:

Cousin Elmer wrote:
RMM wrote:

…. the H1A is really really close to what I was going to build anyways, but I could never touch that price point.  They are even using the same IC, even though they scratched the markings off LOL (TPS61088).  


If you did build some with a customizable UI I’d buy one for each of the MT-G2 emitters I’ve bought from M.E. over the past few weeks; and probably buy a couple more MT-G2s from your remaining stock. I’d pay at least what I’ve paid for the H17F drivers. The next best thing would be to figure enough about how the H1-A works to be able to write firmware for the PIC controller. My electronics skills are likely insufficient but if the super nerds in the community figure it out I can program the controller.

The final version is making progress.  The have had a working power module for about 1.5 years, but the issue was that the PWM response curve was not linear.  I’ve got the RC filter values all figured now so you can use our normal ~19 kilohertz PWM signal on the input of the op-amp and get a linear response biasing the feedback voltage, therefore linearly changing the output, but still without any PWM ripple on the output (true constant current dimming).  Worked on the PCB a bit again yesterday and am hoping to finish it up soon.  Just need to make a few more component libraries and finish up component selection.  Again, no ETA, but I am committed now and will release the drivers as soon as they are ready.  


Prototyping always makes a mess!  cool  I finally have some decent tools though…early on I was just doing everything by trial and error.  With enough time and determination you can make that work, but this speeds up the process significantly.  Equations give you a good starting point, but as in chemistry or anything else most of the simple equations deal with ideal components / reagents —- things that simply do not exist in the real world.  


That’s outstanding news. Since I prefer 1×18650 lights I’ve had to wait for something like the H1-A UI to experience an MT-G2. I love the MT-G2 but the thought of settling for the H1-A UI is disheartening. So this news makes me happy :). FWIW I’ll probably still take a shot at programming the H1-A; but I’ll be near the front of the line for your driver.

BTW here is a Convoy M2 with an MT-G2 and an H1-A . Fitting a 20mm driver into the M2 was a bit of a mess (at least the way I did it…). I claim that with a little care and a Dremel a 20mm driver can fit cleanly inside a Eagle Eye X6/A6/F30; but I have yet to prove that claim.

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What are the D4 driver sizes? Perhaps there is a chance to pick a good constant current driver.

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Wow, I bought the last remaining 219C in black I think…thank goodness for impulse buys xD

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dekozn wrote:
Does the D4 also have presets for low mid and high or is it ramping only? Ramping might be nice but I think it 'll be difficult to estimate runtime while actually using it.

I actually am not sure.  I haven't used the light a lot.  Tom E. should be able to fill in all of the details on the firmware...I wasn't provided with a full list of the functions. 

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looking forward to some reviews of this light…..

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Wahoo! Got a shipping notice for the D4’s pre-ordered and a shipping refund …. two orders were combined into the same shipment.

I was unusually indecisive selecting an LED for the green version. The 219C sold out so fasssst in green that I was unprepared!

Thanks very much for the pre-order setup and such speedy turnaround upon your receiving them, RMM! That is stellar performance!

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Richard, do you have any Meteors on the way?

Colors?

Thank you

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chooma wrote:
Richard, do you have any Meteors on the way? Colors? Thank you

Yes, I have some on order in white in every tint that should be arriving here any day now.  I also am going to get more black, but they were not available yet when I placed my last order.  

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RMM wrote:

EasyB wrote:
Richard, are you going to stock the new 5500mAh shockli 26650 cells?

Yes, I actually have them….thought I listed them but I guess we never enabled the listing.  They are more like a 27650 BTW (very wide diameter).


Here they are


 


Will these fit the Convoy L6?
Lowtech
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Probably not if they are big.
Unless l6 has changed

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Lowtech wrote:
Probably not if they are big. Unless l6 has changed

...and they don't work well in series.  

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EasyB
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Making them work in series is easy enough, but if the cells are too wide for the L6 tube that is harder to fix. There is apparently some variation in the L6 tube ID. See here for some discussion: http://budgetlightforum.com/comment/1114982#comment-1114982

The liitokala 5000mAh cells are also wider than a typical 26650.

From the discussion in the above link, some new keeppower cells were very wide at 26.9x mm, and these did not fit in some of the L6 tubes. I think people have used the liitokala cells in the L6 with no problem so I would think the shockli cells should work as well.

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I do know that some of my customers have had the protected 5200mAh cells fit in their L6s, but I know that the initial copies that I tried them in definitely did not fit.  There is indeed some variation in almost all Convoy tubes.

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Lowtech
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I use KP protected.
The gap i 0.00000mm airtight fit.

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