You could also flash Anduril for D4 with Aux support. D4S might work, but it’s not ideal as the part for the thermal regulation is made for a bigger part. Also the level mixing is off, as the D4S has more AMCs.
So if I understand correctly, the LDO on the D4 TIR board causes it to have only one level of light? But if you took out the LDO then you could have low/high? I’ve never used aux lights before, so I’m basing it off of the H03 lexel driver with anduril, the light under the button has a few modes, high, low, flashing, off. Would this be the same with the stock D4 TIR board? Or would the LDO need removed? What are the implications of doing this?
I know I will need to flash the D4S firmware, or D4 anduril with the aux code added. But the LDO has confused me.
Sorry for all the questions, I want to learn, trying to understand.
Yes if you want high low then the LDO can be replaced with a resisor, which fits 0603 to get between the pads or build with resistors based on 3.7 not 2.8V
The LDO is to stabilize the current while battery voltage drops
I am very interested in modding my D4 with an aux board.
I want the aux LEDs to act as a locator light, with a brightness roughly comparable to a large tritium vial. They shouldn’t light up a dark room.
I guess your “0.15mA” brightness level is most suitable for that?
Can I order a D4 board with a trimmer installed instead of an LDO so I can adjust current without soldering?
If yes, what is the approximate adjustment range for the “0.3mA” and “0.15mA” levels?
Problem with D4 board is it has no space for a regular 3x3mm trimmer
2x2mm trimmers may be possible to fit would need a new design and are pretty expensive so I never invested in that build
It is possible to replace the LDO carefully soldering with a resistor and you can use high/low feature with D4S Firmware to get on low tritium brightness
or just build at very low constant current with LDO
What’s the current status of the D1 and D1S boards? Which approach do you like better: direct or indirect? Cool idea, never really thought about illuminating the gasket of a reflector light.
I have not tested the indirect so far because i am not having a light to do
the dirdct is more work with sanding and Gasket but I like it better
The boards are here ready to be build
I have also a version in mind with LVP that also needs reverse protection,
but so far the demand for those bord is almost non existent so its not really worth investing