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Thread: #4 FOURSEVENS Quark Smart QSL !

  1. #1
    Flashaholic* 4sevens's Avatar
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    Buttrock #4 FOURSEVENS Quark Smart QSL !

    Meet the world's smartest flashlight - the FOURSEVENS Quark Smart



    The Quark Smart family is the next generation of FOURSEVENS flashlights, and our most versatile Quark light yet. With our radical Bluetooth functionality, your flashlight can now communicate with your smart phone. Just grab the FOURSEVENS Smart Flashlights App, coming soon to the AppStore, and pair your Quark Smart to your phone. (and Android app in a couple months) The app will allow you to check the current battery life and remaining runtime, configure the interface, and set proximity alarms.

    And for anyone reluctant to connect their flashlight with their phone, the Quark Smart is still a fully functional Quark light even without pairing. Immediately out of the box, you can easily toggle through all eight output modes by double-clicking the side switch. Pressing the tailcap switch will activate the light momentarily without accidentally switching to the next output. The rubber boot can be removed for a flat tail-standable rear switch.

    As always, our Quark lights are waterproof and constructed with aircraft-grade aluminum and impact-resistant lenses. Quark lights have always been tough enough to meet any challenge. Now they are working harder and smarter to get the job done.

    Pre-order $65. Ships before December 7th
    http://www.foursevens.com/products/QSL-AF

    For and in-depth look into the Quark Smart check out this video:
    https://www.youtube.com/watch?v=eoI3qBTB3tk

    (sorry I ran a little long - there was so much to talk about!)
    Attached Images Attached Images
    Last edited by 4sevens; 11-26-2015 at 04:48 AM.

  2. #2
    Flashaholic* dc38's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Funfun
    -I am no law abiding citizen. I am merely not a lawbreaker.
    -Guilty until proven innocent.
    -If it can be conceived by humans, then it can be unravelled by humans.

  3. #3
    *Flashaholic* Str8stroke's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    This sure looks awesome. I have been waiting on someone to make this leap in flashlights. Killer work!

    Footnote: I watched Davids video. I couldn't help but to notice, he has 16,217 unread emails! WTH!
    Interested in Saltytri lights. Pm me!


  4. #4

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Wow, this does look quite cool, and has lots of possibilities. From a quick look, I don't think this will lego with previous Quark peices. The head's voltage is only 2-4.2v, and that soft-touch tail cap would require a constant connection to the battery.

    I can't wait to see what we have in store for next week.
    Good work David

    Edit: Seems I can't read
    Last edited by keeperofdakeys; 11-26-2015 at 06:15 AM.

  5. #5

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Looks like it has a lot of potential.

    A couple of questions:
    1. Will it work with rechargeable 16340 RCR123A batteries?
    1a. If so, can you enter the battery capacity so that it maintains it's accuracy
    2. You said Android app is coming in a few months. Just curious why such a long delay?
    3. Will you be releasing any type of developer kit to speed up the unlocking of the potential functionality (by enabling the geeks reading these forums to program the light)? (Asking this question since I am assuming you have fairly limited resources working on the software which is pushing the Android app is several months out).

    Definitely a cool idea! Especially if the software is opened up for "modding".

  6. #6
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Very nice! Is there going to be a clip?

  7. #7
    Flashaholic* KDM's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Very nice! Ordered...
    Last edited by KDM; 11-26-2015 at 08:56 AM.

  8. #8

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    This looks nice and I would like to order one. Will there be a custom mode option? For example, I would more than likely use the tactical mode group as my preferred preference, though I do not use strobe/sos. While I understand that it would be possible to use the app to jump from moon to high or back to med, that would be a bit cumbersome to have to do often. A custom mode option where you can select that you want moon, low, high or so on will be great.
    Last edited by moshow9; 11-26-2015 at 09:34 AM.
    Click Here to view my lights

  9. #9

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by jimahi View Post
    Looks like it has a lot of potential.

    A couple of questions:
    1. Will it work with rechargeable 16340 RCR123A batteries?
    1a. If so, can you enter the battery capacity so that it maintains it's accuracy
    I had this same question below while I had the video playing in the background. At 17:57 David says yes and yes.
    Click Here to view my lights

  10. #10

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Will there be a 2xCr123 format and a clip?

  11. #11
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by moshow9 View Post
    This looks nice and I would like to order one. Will there be a custom mode option? For example, I would more than likely use the tactical mode group as my preferred preference, though I do not use strobe/sos. While I understand that it would be possible to use the app to jump from moon to high or back to med, that would be a bit cumbersome to have to do often. A custom mode option where you can select that you want moon, low, high or so on will be great.
    I think the ability to do software upgrades to the light via bluetooth makes any potential enhancements like that a distinct possibility/probability.

  12. #12
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Outlander View Post
    Will there be a 2xCr123 format and a clip?
    I was also wondering about the clip; if we can lego to the old bodies then we can easily do regular or deep carry clips in any form factor except single 123. This would also allow for a double 123 platform in terms of form factor but not voltage.

  13. #13

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Swordforthelord View Post
    I was also wondering about the clip; if we can lego to the old bodies then we can easily do regular or deep carry clips in any form factor except single 123. This would also allow for a double 123 platform in terms of form factor but not voltage.
    I'd be happy to be able to use a 16650.

  14. #14
    ven's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Now we are talking, looks pretty amazing Now bluetooth is here, surely programmable outputs as well as mode/s can not be too far off

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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Outlander View Post
    I'd be happy to be able to use a 16650.
    We'll wait for the official verdict but I'd be very surprised to find that lego'ing isn't possible (with the bodies at any rate, the tailcap probably has some form of electronic switch).
    It will be nice to have a quick way of changing the setup so I can simply hand the light to someone and say "Just press that".

  16. #16
    Flashaholic Jose Marin's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Ordered 2, this is going to be awesome. Will have to wait though for the android app, hopefully they release that before the lights ship

  17. #17
    Flashaholic* Hondo's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Shipping starts Dec 7, Android app "in a couple months"

    But now we are talking. Been sitting on my wallet comfortably the past month, but this is INOVATION! Like to see the infinite mode in action, may be the ultimate interface for the old D10 fans. I think we may be able to get over the loss of the original Pro and Tactical Quarks with this. Unfortunately I am an Android user.

  18. #18
    Flashaholic* KDM's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Jose Marin View Post
    Ordered 2, this is going to be awesome. Will have to wait though for the android app, hopefully they release that before the lights ship
    +1 on the android app

  19. #19
    Flashaholic* Chauncey Gardiner's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Swordforthelord View Post
    We'll wait for the official verdict but I'd be very surprised to find that lego'ing isn't possible (with the bodies at any rate, the tailcap probably has some form of electronic switch).
    It will be nice to have a quick way of changing the setup so I can simply hand the light to someone and say "Just press that".
    Quote Originally Posted by ven View Post
    Now we are talking, looks pretty amazing Now bluetooth is here, surely programmable outputs as well as mode/s can not be too far off
    I have a Quark RGB head that I'd love to be able to lego with the Bluetooth body and tailcap. Just think of the fun you could have.

    Of course, I have no idea how or if that will be possible. Perhaps a new RGB that would work. Instant party lighting.

    ~ Chance
    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  20. #20

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    The battery gauge cannot be anywhere near accurate.

    Runtime can be calculated from battery capacity and current draw.

    Okay a device can measure the current draw.

    But no device can know the battery capacity.

    I can insert a CR123 with 150mAh (poor battery) or with 750mAh (new battery) and the device would not know it.

    Other than that, the flashlight looks nice.

  21. #21
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by kreisl View Post
    The battery gauge cannot be anywhere near accurate.

    Runtime can be calculated from battery capacity and current draw.

    Okay a device can measure the current draw.

    But no device can know the battery capacity.

    I can insert a CR123 with 150mAh (poor battery) or with 750mAh (new battery) and the device would not know it.

    Other than that, the flashlight looks nice.

    oh yes it is possible to run attacks, load pulses...etc on the cell and measure responses/impedance
    and get better than 90% accurate predictability
    but that is very smart chip to implement and ...it drains the cell during testing phase
    posted by jh333233
    Dont cheat me, im expert in using crap light

  22. #22
    Flashaholic* stephenk's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Chauncey Gardiner View Post
    I have a Quark RGB head that I'd love to be able to lego with the Bluetooth body and tailcap. Just think of the fun you could have.
    I was thinking the same thing. If the bluetooth app had a colour wheel, or colour buttons like those cheap remotes for LED strip lighting, and the RGBW emitters are able to be individually controlled for colour mixing, then it would create something special. Maybe I should patent it?

  23. #23
    Flashaholic* Chauncey Gardiner's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Does anyone have David's e mail address?

    Just kidding! Please don't post it. 16,217 unread e mails is probably more than enough.

    ~ Chance
    Never point a flashlight at anything you don't intend to illuminate! Never buy a flashlight you have to make payments on.

  24. #24

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Swordforthelord View Post
    We'll wait for the official verdict but I'd be very surprised to find that lego'ing isn't possible (with the bodies at any rate, the tailcap probably has some form of electronic switch).
    It will be nice to have a quick way of changing the setup so I can simply hand the light to someone and say "Just press that".
    I'd be surprised if they can be lego'd. In a normal Quark the rear switch works by completing the circuit, however this torch obviously has a completed circuit all the time. So in order for the tailcap to work, it would either need to be another bluetooth LE device (unlikely), or there would need to be a second connection running through the body. Though I guess there is a third option, the head and tailcap could be connected via entangled quantum particles.

    I'm also guessing that this light is also PWM in order to accommodate all the custom settings.
    Last edited by keeperofdakeys; 11-26-2015 at 03:52 PM.

  25. #25
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by keeperofdakeys View Post
    I'd be surprised if they can be lego'd. In a normal Quark the rear switch works by completing the circuit, however this torch obviously has a completed circuit all the time. So in order for the tailcap to work, it would either need to be another bluetooth LE device (unlikely), or there would need to be a second connection running through the body. Though I guess there is a third option, the head and tailcap could be connected via entangled quantum particles.

    I'm also guessing that this light is also PWM in order to accommodate all the custom settings.
    That's what I said. I don't expect the old tailcaps to work but I see no reason the bodies couldn't.

  26. #26

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Swordforthelord View Post
    That's what I said. I don't expect the old tailcaps to work but I see no reason the bodies couldn't.
    Correct me if I'm wrong, but I thought the old Quark bodies only completed one circuit (the negative battery contact to the head of the light). For this new light to work, you'd need two circuits - the main power circuit for the batteries, and a second circuit to connect the tailcap to the head. If you didn't do this, you couldn't have the light always on. My logic is that since the old Quark body can't provide this, you most likely can't lego it. Would there be an alternate way to send a "button pressed" signal without a second circuit?

  27. #27
    Flashaholic* 4sevens's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by Str8stroke View Post
    This sure looks awesome. I have been waiting on someone to make this leap in flashlights. Killer work!

    Footnote: I watched Davids video. I couldn't help but to notice, he has 16,217 unread emails! WTH!
    Thanks!
    Quote Originally Posted by jimahi View Post
    Looks like it has a lot of potential.

    A couple of questions:
    1. Will it work with rechargeable 16340 RCR123A batteries?
    1a. If so, can you enter the battery capacity so that it maintains it's accuracy
    2. You said Android app is coming in a few months. Just curious why such a long delay?
    3. Will you be releasing any type of developer kit to speed up the unlocking of the potential functionality (by enabling the geeks reading these forums to program the light)? (Asking this question since I am assuming you have fairly limited resources working on the software which is pushing the Android app is several months out).
    Definitely a cool idea! Especially if the software is opened up for "modding".
    1. size must be very close to cr123a
    1a. no need for entering capacity
    2. feature set was defined in ios for quick launch. android to follow. When we started years ago android didn't have their bt4.0 api ready. it's still buggy actually.
    3. sorry no devel kit. if you would like to help with android pm me your resume
    Quote Originally Posted by moshow9 View Post
    This looks nice and I would like to order one. Will there be a custom mode option? For example, I would more than likely use the tactical mode group as my preferred preference, though I do not use strobe/sos. While I understand that it would be possible to use the app to jump from moon to high or back to med, that would be a bit cumbersome to have to do often. A custom mode option where you can select that you want moon, low, high or so on will be great.
    Eventually we will.
    Quote Originally Posted by Outlander View Post
    Will there be a 2xCr123 format and a clip?
    2xAA is coming in january.
    2x123 will follow after that.
    Sorry no clip at the moment. There has always been a challenge with 1x123 quarks and clips. bigger lights are a better possibility. We are looking into optional tailcaps with permanent clips installed.
    Quote Originally Posted by Outlander View Post
    I'd be happy to be able to use a 16650.
    This design is very sensitive to battery size, particularly the height. So it has to be cr123a sized. Even RCR123a needs to be very similar in size.
    Quote Originally Posted by Jose Marin View Post
    Ordered 2, this is going to be awesome. Will have to wait though for the android app, hopefully they release that before the lights ship
    Sorry not likely. Hang with some apple buddies to play with and get your light configured
    Quote Originally Posted by Hondo View Post
    Shipping starts Dec 7, Android app "in a couple months"

    But now we are talking. Been sitting on my wallet comfortably the past month, but this is INOVATION! Like to see the infinite mode in action, may be the ultimate interface for the old D10 fans. I think we may be able to get over the loss of the original Pro and Tactical Quarks with this. Unfortunately I am an Android user.
    As mentioned in my video the Quark Click and the Quark Smart stand at complete opposites of each other and serve two different segments of the market. The Quark Smart was really for you guys

    Android will take some time. We went with Apple because of the quicker development time. no worries. We'll get there.

    Quote Originally Posted by kreisl View Post
    The battery gauge cannot be anywhere near accurate.

    Runtime can be calculated from battery capacity and current draw.

    Okay a device can measure the current draw.

    But no device can know the battery capacity.

    I can insert a CR123 with 150mAh (poor battery) or with 750mAh (new battery) and the device would not know it.

    Other than that, the flashlight looks nice.
    We have a very sophisticated algorithm to handle this. The QSL does know whether the battery is 3v or 4.2v. The starting point is on the assumption that those cells have typical capacities and are not worn out but as the runtime continues the QSL logs and studies the V delta over time and accurately adjusts and can predict the runtime fairly accurately. This is the output mode - simply watching the delta V and you can easily know how long the battery will run.

    The runtime mode is actually a countdown timer inside the QSL AND measuring delta V so that whatever initial output quickly becomes irrelevant as it analyzes and adapts to make sure you get exactly that runtime.

    Yes you are right the light does not know the battery capacity - BUT we don't have to or need to.

    Make sense?
    Quote Originally Posted by stephenk View Post
    I was thinking the same thing. If the bluetooth app had a colour wheel, or colour buttons like those cheap remotes for LED strip lighting, and the RGBW emitters are able to be individually controlled for colour mixing, then it would create something special. Maybe I should patent it?
    too late. philips purchased color kinetics which had a massive portfolio of color mixing with led's. You just breathe the words "led color mixing" and philips may be on your back.
    Quote Originally Posted by Chauncey Gardiner View Post
    Does anyone have David's e mail address?

    Just kidding! Please don't post it. 16,217 unread e mails is probably more than enough.

    ~ Chance
    Not funny
    Quote Originally Posted by keeperofdakeys View Post
    I'd be surprised if they can be lego'd. In a normal Quark the rear switch works by completing the circuit, however this torch obviously has a completed circuit all the time. So in order for the tailcap to work, it would either need to be another bluetooth LE device (unlikely), or there would need to be a second connection running through the body. Though I guess there is a third option, the head and tailcap could be connected via entangled quantum particles.

    I'm also guessing that this light is also PWM in order to accommodate all the custom settings.
    No lego-ing even though originally we intended to. Threads match but the light won't work right. The head is permanently attached.

    No PWM. QSL is buck/boost - hence the ability to use 3v lithium primaries as well as 4.2v lithium-ions. This is also indicative by the existence of a true moonlight mode
    Quote Originally Posted by Swordforthelord View Post
    That's what I said. I don't expect the old tailcaps to work but I see no reason the bodies couldn't.
    The Quark Smart has a new design that needs the new tailcap. The old tailcap actually does screw on. The head is permanently glued on.






    Quote Originally Posted by stephenk View Post
    I was thinking the same thing. If the bluetooth app had a colour wheel, or colour buttons like those cheap remotes for LED strip lighting, and the RGBW emitters are able to be individually controlled for colour mixing, then it would create something special. Maybe I should patent it?
    too late. philips purchased color kinetics which had a massive portfolio of color mixing with led's. You just breathe the words "led color mixing" and philips may be on your back.
    Quote Originally Posted by Chauncey Gardiner View Post
    Does anyone have David's e mail address?

    Just kidding! Please don't post it. 16,217 unread e mails is probably more than enough.

    ~ Chance
    Not funny
    Quote Originally Posted by keeperofdakeys View Post
    I'd be surprised if they can be lego'd. In a normal Quark the rear switch works by completing the circuit, however this torch obviously has a completed circuit all the time. So in order for the tailcap to work, it would either need to be another bluetooth LE device (unlikely), or there would need to be a second connection running through the body. Though I guess there is a third option, the head and tailcap could be connected via entangled quantum particles.

    I'm also guessing that this light is also PWM in order to accommodate all the custom settings.
    No lego-ing even though originally we intended to. Threads match but the light won't work right. The head is permanently attached.

    No PWM. QSL is buck/boost - hence the ability to use 3v lithium primaries as well as 4.2v lithium-ions. This is also indicative by the existence of a true moonlight mode
    Quote Originally Posted by Swordforthelord View Post
    That's what I said. I don't expect the old tailcaps to work but I see no reason the bodies couldn't.
    The Quark Smart has a new design that needs the new tailcap. The old tailcap actually does screw on. The head is permanently glued on.

  28. #28
    gunga's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    I wonder if a neutral tint or high cri can be modded into this (same with the Preon). I don't do cool white anymore.

    Have not watched the video yet but will soon. This sounds very remarkable.

  29. #29

    Default Re: #4 FOURSEVENS Quark Smart QSL !

    My wallet is crying. Why did I have to log on and see this?!

  30. #30
    Flashaholic* 4sevens's Avatar
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    Default Re: #4 FOURSEVENS Quark Smart QSL !

    Quote Originally Posted by gunga View Post
    I wonder if a neutral tint or high cri can be modded into this (same with the Preon). I don't do cool white anymore.

    Have not watched the video yet but will soon. This sounds very remarkable.
    It's as mod-able as our typical quarks which is not very.

    Quote Originally Posted by Prepped View Post
    My wallet is crying. Why did I have to log on and see this?!
    LOL!
    Last edited by 4sevens; 11-26-2015 at 10:58 PM.

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