Sofirn Q8 group buy (gb closed, but try PM to Sofirn for discount)

I think I'd like to bring you lunch and a light for modding!

Ok TK, flashed with the 2018-09-07 variant, no switch light. What have I forgotten?

Sure Kawi, as you’re aware they only ran less than a minute while I tested the few stages of build.

PM me your addy, was there anything else I was supposed to be sending that I’ve forgotten? Some Samsung LH351D 5000K 80 CRI or something? Got a couple of Oslon Black Flats you can play with too if you want…

I mean if Kawi wants to trade 4 of these magic HI’s for one of his clean 70.2 de-domes i’m sure he could get a bunch :smiley:

Not sure. I just tried it on mine to be sure, and it works. You grabbed the Q8 version, right? Avrdude should report 7996 bytes flashed.

Yep, anduril.2018-09-07.BLF_Q8.hex

Edit: Just cracked it back open and checked, no wires pinched and all wires still solidly soldered. No side switch light. Not that it really matters, I’d turn it off if it was on, but it’s odd that it quit working.

Mine came this morning. Cleaned the contacts, tightened screws in head and cap and did the ceiling bounce test.

Thanks for the deal Sofirn, I really like this light.

That’s weird. At first I figured I must have broken something, but that’s the same file I just put on mine and it runs normally.

I wonder if the driver design was changed at some point, or if a wire may have come off. If you plug in the usbasp and clip it onto the MCU, but don’t flash it, does the switch light come on? On mine, it does.

Nope… .011 is eleven thousandths. Jason either made a typo or thought that too.

As far as a threshold…… A tenth of a Volt ( 4.10 vs. 4.20) should be fine, probably 15 hundredths (4.05 vs. 4.20) would be too.

But IDK for sure, hopefully someone with the technical knowledge to answer correctly will chime in.
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4.091 - 4.080 = .011 = (11 thousandths)

Odd, I had 3 5700K XP-L2’s in a sealed tape with the order label accompanying them, and 2 5000K XP-L2’s in a sealed tape with their original order label accompanying them, separted in my emitter kit and clearly labeled. I put the two 5000K’s on first, opposing each other on the board, then I placed the 5700K’s on the remaining opposing pads. Re-flowed it, assembled the light.

So now, checking with a UV light, it doesn’t look like what I know it is…

Wouldn’t it be better to use IS units?

Writing a delta of 11mV would have been much easier to understand, and there would have been no confusion that way.

Yes TK, when I plugged the clip on the chip the light came on. Pretty sure it was on while it was flashing Anduril.

Leave it to me, huh? LOL

It’s not really a threshold sort of thing. Small differences have a small effect, big differences have a big effect. Just try to get things as close as you can, and the effects should be small.

I have a 2-slot charger instead of 4-slot, so I can’t charge all 4 cells exactly at the same time… but as long as I do each set of 2 one after the other, on the same charger, they end up almost identical. It’s probably safer than using two different chargers, since each charger has a different termination voltage.

TK, it came on when I hooked it up to flash, it doesn’t now.

That pretty much narrows down the issue to firmware, unless the button LED was moved to a different pin. But probably firmware. I don’t know why it would work on mine but not on yours, though.

I should probably open a bug for this, until an explanation is found. And, for that matter, I should probably actually be using the bug tracker instead of leaving it empty. Has anyone else tried Anduril on a new Sofirn Q8?

… moments later …

In that case, maybe it is just a loose wire. Could be loose on the switch PCB where it’s harder to see, perhaps? Not sure.

TK, did you remove Beacon? The only things I can see that don’t work like I’m used to seeing from Anduril is the lighted switch and there’s no beacon. I have Candlelight, Bicycle Strobe, Party Strobe, Tactical Strobe, Lightning. Everything else I use works fine. It comes on at the top of 7135 after a battery change, it blinks once when you get power connected, ramp works fine, double click to Turbo, the Candlelight and Party Strobe adjust up and down as usual, can’t find any other issue.

Not for me… you almost lost me in what you wrote above. :open_mouth: . :smiley: . :smiley:

I jest learnt the three R’s… Redin… Ritin …. Rithmatic

What is an “IS Unit”?

  • I am guessing “delta” means a difference??
  • And 11 mV is .011 V ??

@teacher

1. IS unit = International System of Units. We don’t use pounds, Fahrenheits there :stuck_out_tongue:

2. Delta means difference yes.

3. 11mV = 0,011V yes.
100mV= 0,100V

Beacon should still be there… but it’s in the battcheck blinky group, not the candle/strobe group.

Honestly, the groups aren’t really organized all that well. It was more of an organic growth process than a carefully-considered design.

Well then, 11 thou does not sound like a huge difference in voltage that's for sure Thanks for taking the time to run that by me teacher

BTW, here's how my BLF Q8 looks compared the the Sofirn. Crappy camera but still can see. Very nice white light on the Sofirn.