Oshpark Projects

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Quadrupel
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FET+1 D4 layout with indicator led support on Pin3. Anduril compatible!
15mm
Order from OSH Park

Tom E
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Quadrupel wrote:
FET+1 D4 layout with indicator led support on Pin3. Anduril compatible! 15mm Order from OSH Park AMUTORCH E3S Order from OSH Park

Been looking this over but can't see pin #2 connected to a pad for the switch - did you run out of space for it?

I know there's not much room on a 15 mm, to say the least.

DEL has a good write up on his 17 mm FET+1 here. He writes these are the mandatory parts:

  • C1 10 uF
  • D1 diode
  • R3 100K ohm to eliminate unintentional flashing during mode changes
  • R5 4.7 ohm to eliminate unintentional Vcc boosting during PWM

C2 and the R4 47K ohm resistors can be eliminated

Quadrupel
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Right, no space for pad , just connect straight to pin. Why not? LOL

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Quadrupel wrote:
Right, no space for pad , just connect straight to pin. Why not? LOL

For 15mm, we make compromises Smile
Might make it a pain to re-flash later

Old Lumens Contest 2020 - Hand-made light category

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Tom E
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Quadrupel wrote:
Right, no space for pad , just connect straight to pin. Why not? :))

Sure, I've done it before.

lumenzilla
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I tried to (quick) read the entire post to find FW3A switch board or contact board but couldn’t find any.
Is it still a rare part?

Quadrupel
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D10-D20-D25 Headlamp FET+1 Driver . Anduril Ready ! ;))

PCB from=From pcbway
Tom E
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Quadrupel wrote:
D10-D20-D25 Headlamp FET+1 Driver . Anduril Ready ! ;)) PCB from=From pcbway

Nice! I'm attempting to order from PCBWay - $5 + $8 e-packet shipping for qty 5, total $13. Decent price, no rush.

Looks like PCBWay has to do an approval on the order first. Thinking they will take PP. They also offer a ton of options - hoping the defaults are good for us.

Quadrupel
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Take 10pcs – same price ! ;))

Tom E
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Yea, I see that now - thought it didn't work before, but I was tweaking settings.

Unfortunately after the review, they raised the price from $5 to $15. Dunno - I'm re-submitting with qty 10, maybe I made a mistake before.

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Tom E
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Ok, this time with qty 10, the price stayed the same smile. Looks like they give you choice of colors for the solder mask and silkscreen, but won't take the chance of changing anything now...

 

Transaction went thru! Also added a $5 coupon, figure it was for first time order, so total cost with e-packet shipping was $9, including a $1 PP fee they added.

 

Not Bad! smilecool

Tom E
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Took a while, but received the PCBWay order today! It's 11 boards, ordered 10. Had to think what the boards were for, til I found this thread smile

D10-D25 headlamp...Of course!

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deved
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Hello guys, I am looking for 17mm linear driver based on Attiny 13a with added SMD diode (0603 size) and proper resistor to indicate “ON” state (torch is based on IR led wavelenght, so beam is not visible).

I am preparing a project for my friends and I need to add an ON indicator for a simple clicky switch style flashlight, so I a decided to simply drill a little hole to the tube in the driver spring area and let the light from the diode get through – I did this before with use of extra diode and resistor (not SMD) to the standard Nanjg 105c but I would like to have it neater “on board”.

Would be someone skillful able to help me by adjusting some of the existing projects? I need 7pcs of 7135 to be left (2450mA) on the driver. I will sure compensate your time spent on this…

Thank you!
d.

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deved wrote:
Hello guys, I am looking for 17mm linear driver based on Attiny 13a with added SMD diode (0603 size) and proper resistor to indicate “ON” state (torch is based on IR led wavelenght, so beam is not visible).

I am preparing a project for my friends and I need to add an ON indicator for a simple clicky switch style flashlight, so I a decided to simply drill a little hole to the tube in the driver spring area and let the light from the diode get through – I did this before with use of extra diode and resistor (not SMD) to the standard Nanjg 105c but I would like to have it neater “on board”.

Would be someone skillful able to help me by adjusting some of the existing projects? I need 7pcs of 7135 to be left (2450mA) on the driver. I will sure compensate your time spent on this…

Thank you!
d.


If your using a rear click tail switch, why not just go with a lighted tail cap? It will go off when the light is on…will be lit when the light is off.. just a thought….

. Too Bad (Led4Power) Neven’s store isn’t open yet. He even had some that had LVP added to them. They come in different colors and you have choices of set-up brightness. I use them on several of mine and changed the resistors to decrease/increase the brightness of the tail cap switch….

KB1428 “Live Life WOT

deved
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Thanks, but I would like to keep the indication as small as possible and the logic “switch on = diode lights” as well.

d.

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