Nice stuff (as always) CRX.
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My mod today is nothing so ambitious, just an upgrade of my D25 Headlamp from its original basic 5-levels+hidden modes to a stepless ramping UI.
Thanks to the efforts of gChart, who effectively remapped the original (PIC?) MCU to a similar footprint Attiny412 MCU (Attiny412), and ported/re-flashed the MCU with TomE/ToyKeeper’s excellent (D4?) RampingIOS – the D25 has gone from meh to awesome!
Original UI mode level range, 5-levels from 2.38A to 0.08A (draw at tailcap)
Upgraded RampingIOS range, ramping from 2.38A to 0.01A (draw at tailcap)
In addition to ramping and the exanded level range, the headlamp now has -
- Battery Voltage indicator using blinkies,
- Thermal Management,
- Last-mode-Memory, and
- direct access to both Minimum (long-press from Off) and Maximum (double click) from Off.