*BLF LT1 Lantern Project) (updated Nov,17,2020)

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sbslider
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Zulumoose wrote:
How about no delay, make it like hitting the snooze button on the alarm, function being “wake me up gently” ramping up slowly from moonlight to full brightness over 5 to 10 minutes. If this were accessible with one button press after running sunset mode it might be a nice option.
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update: 2-channel MCPCB designed. Here is the basic design of the 2-channel MCPCB for the lantern for the 3000K ~ 5000K ( or 2700K ~ 5000K LED emitters) to work for the tint ramping. After some tests, i found that having the different color temp LED pads in-line with each other linear from the center post/tube, created the smoothest tint mixing beam pattern. (*Red ring is the white center tube that covers the wires and the center bolt) two other black holes are for screws to mount the MCPCB to the lantern head.
(open to conversation.)

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

DavidEF
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Looks good! Have you got this made in PCB design software or just a MSPaint rendering? Big Smile

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I still don’t see my name in the list.

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DBSAR
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DavidEF wrote:
Looks good! Have you got this made in PCB design software or just a MSPaint rendering? Big Smile

just with photoshop after a couple drinks of rum Cool

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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atbglenn wrote:
I still don’t see my name in the list.

can add you as 893 if your not on the list, (sbslider can check on that as he has been updating the list)

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

atbglenn
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DBSAR wrote:
atbglenn wrote:
I still don’t see my name in the list.

can add you as 893 if your not on the list, (sbslider can check on that as he has been updating the list)

DBSAR, thanks! I definitely want one.

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geetee03
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Interested.

sbslider
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sbslider wrote:

atbglenn wrote:
Interested

lantern interest list number 879 reserved for atbglenn

atbglenn wrote:
I still don’t see my name in the list.

The list in the OP only gets updated periodically. I also maintain the “master” list which gets updated everytime I reply to an interest post. Sometimes it gets updated before I reply to an interest post. The master list has to ways to look at the data.

interest list sorted by entry number

interest list sorted by user names

You are definitely on the list, and if you can view the google doc links you can see it for yourself. If you can’t view the links, then you will just have to trust me until the OP gets updated.

geetee03 wrote:
Interested.

geetee03 has interest list number 893.

I will add the interest list sorted by user name at times has the last few entries on the end not sorted, as that is a manual step I do periodically. geetee03 is last on that list until I sort again.

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KevinZA1988
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Awesome, glad I’m on the list! Thanks for clarifying.

Acebeam L18, Armytek Prime C1 Pro, Armytek Prime C2 Pro, Armytek Tiara C1 Pro, Astrolux MF01 Mini, BLF Q8, BLF A6, BLF FW1A, BLF FW3A, BLF FW3C, BLF LT1, Convoy L6, Convoy C8+ , Convoy S3, Emisar D4, Fireflies E07, Jaxman E2L, Manta Ray C8.2 long version, Olight S1R Baton II special edition series, S2R Baton II, Olight Baton 3, Olight Warrior Mini, Olight M2R Pro Warrior.

Most of them have been modded! =)

https://photos.app.goo.gl/JaJaDv4V838AEJf39

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Your MCPCB looks fine, I can’t find any reason why it shouldn’t work, but what are your final thoughts about the charging solution before we skip to the next topic?
And could toykeeper please make a short overview about the modes and funktions that are already implemented or planned before we talk about adding new ones? (Do we even have memory left ?)

sbslider
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Madtoffel wrote:
Your MCPCB looks fine, I can’t find any reason why it shouldn’t work, but what are your final thoughts about the charging solution before we skip to the next topic?
And could toykeeper please make a short overview about the modes and funktions that are already implemented or planned before we talk about adding new ones? (Do we even have memory left ?)

some information here

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Unloco
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Interested.

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Madtoffel wrote:
could toykeeper please make a short overview about the modes and funktions that are already implemented or planned before we talk about adding new ones? (Do we even have memory left ?)

http://budgetlightforum.com/node/56105

Plus tint ramping, probably on “click, click, hold” in almost any mode.

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Madtoffel wrote:
Your MCPCB looks fine, I can’t find any reason why it shouldn’t work, but what are your final thoughts about the charging solution before we skip to the next topic? And could toykeeper please make a short overview about the modes and funktions that are already implemented or planned before we talk about adding new ones? (Do we even have memory left ?)

The charging option is defintiely a planned part, but will have to leave that in more capable hands.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

DBSAR
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I can’t see it in that diagram if “stepped” modes are an option instead of ramping, ( such as set mode groups as moonlight-low-medium-hight)

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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Yes, the “stepped ramp” is a mode group, like moon-low-medium-high or whatever the user configures it to do.

The actual button presses involved are the same as the smooth ramp, so… click for on/off, hold to change brightness. But it uses a user-defined mode group. The result is very similar to an Olight Baton interface.

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ToyKeeper wrote:
Yes, the “stepped ramp” is a mode group, like moon-low-medium-high or whatever the user configures it to do.

The actual button presses involved are the same as the smooth ramp, so… click for on/off, hold to change brightness. But it uses a user-defined mode group. The result is very similar to an Olight Baton interface.

Ah ok nice Smile

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

staticx57
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Common negative? I am surprised based upon how all of the other drivers are designed

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staticx57 wrote:
Common negative? I am surprised based upon how all of the other drivers are designed

it can be split into two negative contacts if needed, i will leave that to the driver designers & programmers to determine.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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staticx57 wrote:
Common negative? I am surprised based upon how all of the other drivers are designed

This is how I would do it as well, it is less wires to run and they would go to the same place anyways.

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Texas_Ace wrote:
staticx57 wrote:
Common negative? I am surprised based upon how all of the other drivers are designed

This is how I would do it as well, it is less wires to run and they would go to the same place anyways.

Right, and everything I learned so far with these things (which is still a looong way to go) is they are regulated on the negative side. I would have thought common positive.

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Texas_Ace wrote:
staticx57 wrote:
Common negative? I am surprised based upon how all of the other drivers are designed

This is how I would do it as well, it is less wires to run and they would go to the same place anyways.

Thats what i was thinking too.
if its a negative side regulation, then its easy to flip the 2 positives with the negative & reverse the LEDs on the pads if negative-side controlling is easier.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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Yeah, it needs the +/- labels swapped so it’s common positive instead of common negative.

Generally BAT+ goes directly to LED+ with nothing in its way, while BAT- goes through fancy stuff on the driver before becoming two LED- connections.

The Astrolux S41 did it backward initially, and they had to change it. For a while they were putting LEDs on backward while they went through their old stock of backward MCPCBs, but that was still better than having the battery short directly to itself.

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ToyKeeper wrote:
Yeah, it needs the +/- labels swapped so it’s common positive instead of common negative.

Generally BAT+ goes directly to LED+ with nothing in its way, while BAT- goes through fancy stuff on the driver before becoming two LED- connections.

The Astrolux S41 did it backward initially, and they had to change it. For a while they were putting LEDs on backward while they went through their old stock of backward MCPCBs, but that was still better than having the battery short directly to itself.

good to know. Smile I will change the positive to Negatives then.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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Wow! Super impressive work!

Thanks EVERYONE who is giving this amazing project life!

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Update: – new cross-section of the BLF LT lantern showing the design differences to the BLF Q8.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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staticx57 wrote:
Texas_Ace wrote:
staticx57 wrote:
Common negative? I am surprised based upon how all of the other drivers are designed

This is how I would do it as well, it is less wires to run and they would go to the same place anyways.

Right, and everything I learned so far with these things (which is still a looong way to go) is they are regulated on the negative side. I would have thought common positive.

Yes, you are correct, I figured they must be using a buck driver with V+ regulation or something. I just happened to get a notification yesterday for this thread and popped in. I know nothing about this project at all.

Flash-O-Maniac
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Please add me to the list for one lantern. Thanks…

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Flash-O-Maniac wrote:
Please add me to the list for one lantern. Thanks…

I added Flash-O-Maniac at number 895 on the interest list.

PocketSammich wrote: I don’t need this, but I want it. Please sign me up.

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