Wildtrail WT90: which MCU does it come with, and how to flash it?

LED Flashlights – General Info 21700 Flashlights
3

That’s what I was hoping not to hear :frowning: Well, better to hear it before buying, than afterwards :expressionless:

HQ Progkey

You mean this, right? [Oshpark] HQ ProgKey - Universal Driver Programming Key

It’s an 8x2 layout

Not 4x2?

Thanks!