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.
Ok, this time with qty 10, the price stayed the same . 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.
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…
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….
The 7135's are the problem at 6V or 12V - they usually will either right away or eventually die. So, TA designed a driver with a bank of resistors to replace the 7135. So the 12V 4S battery TA driver with the resistor bank should work fine. It's been well tested and shipped in production lights.
Haikelite is doing something similar to replace the 7135, but much simpler circuitry, so it works with Anduril for FET+1's (Q8 hardware config) quite nicely. Not sure who designed it, if it was Lexel or another BLFer, or Haikelite.
Of course with any driver over 3-4V you need an LDO instead of a D1 diode, but we've been using LDO's for years in OSHPark BLF designed drivers.
Should be noted we were getting away with FET+1 (single 7135) drivers with LDO's for lights like the L6 for years. For 6V and relatively low amps (single LED), the better 7135's seem to hold up but I wouldn't count on them lasting.
I know the TA drivers with resistor bank but I have never found them on Oshpark. Is there any possibility to get the PCBs of these drivers to solder them myself?
Does that mean I could flash the MT09R driver with the BLF Q8 Anduril?
Ohh, yes, could be TA didn't publish the design for public access. Could be for technical reasons, but also it's probably only available in large sizes.
MT09R? Not sure. But I recently flashed the HL HK4S with Anduril2 and used a FET+1 configuration, same as the Q8, and it's working pretty well.
This is the HK4S driver:
and my notes on it:
That Q4 chip and associated circuit acts as a 7135.