Well, I wired it up sort of like your circuit here
. Except I have a 220Ω R for the green, and a 330Ω for the red, to try to balance the intensity a bit. Kinda makes me go meh
as a quickie visual indicator of over/under temp, which is where I was hoping to use this -- right now, I'm using a pot as a proxy for a temp. sensor. The shading is somewhat poorly mixed, so the yellow midpoint doesn't really look yellow.
Might be I'll need to go for a RGB LED, so I can ramp the color more clearly away from the OK state.
But I didn't let any smoke out.