How do I take a picture using NeoPixel lighting?

The PiCam auto-exposure needs some time to adjust, so firenodejs typically allows 300-500ms for “auto-exposure settling time”. Look at msSettle in firenodejs /firestep more… You also need to turn on camera lighting with {“dpyds”:12} after a mov. Perhaps we should do that automatically, but right now you need to do it explicitly