When working on a laptop in the middle of the night, have you ever thought "I can not see the keyboard and it is inconvenient?" Although there are lights that can be attached externally even on PCs ...

[Sprite_tm] keeps coming up with nice work. This time he sent in his thinkpad style keyboard LED lighting solution for his toughbook. I know, you’re thinking… ‘it’s a LED…’ He used an ATtiny13 to ...