2 Heads, one white, one with red, green, blue and amber LEDs, heads and color LEDs individually controllable.
The modified MCPCB with XP-E2 color LEDs, and my driver which is used in both heads. In the white head populated with FET + 7135, in the color head populated with 4 x 7135 for each LED. MCU is Attiny 841. Full ramping UI of course. The reflector bottom had to be grinded a bit to make room for the outer LED wire pad. Reversed MCPCB polarity (batt+ at the outer trace to keep grinding at a minimum).
Cut a solid 6mm brass rod and soldered a spring on one end in order to bring batt+ to the rear head. Used tape to isolate the rod and drilled a hole in the tail PCB.
The threads at the rear end of the battery tube are too short to reach the driver board so I made cut outs (for the PCB screws) to a copper ring and put this ring on top of the PCB.
Nicely done Mike, I was about to post up something but you made my little tinkering project look like a popsicle stick cabin job, Way to think outside the box, very sweet!
Oh man, I have to follow that wild mod?! I trimmed and shimmed a reverse click switch so my SingFire-75B would tailstand, put a piece of diffuser material between the reflector and the lens and pencil modded the NMM cap… It is my new go-to indoor light for after dark toilet trips.
The “firmware” for this flashlight has Next Mode Memory. Every time you turn it OFF it remembers what mode it was in, next time you turn it on it skips to the next mode, very annoying. It can be forced to quickly forget by tracing a pencil lead over the capacitor that holds charge to the IC.
I didn’t mod the switch boot, but the switch itself. I just cut enough off to clear the barrel(?). When that wasn’t enough to clear the switch boot, I put a ring of Venician Blind cord between the boot and the lip it sits on. Hope that helps!
Way to think outside the box, very sweet!
