I just went on Amazon and found the tiny string of LED lighting with on/off switch that had the reviews/price I wanted. This is the one I bought and I'm just thrilled with it...of course, the supplier can change, so the lighting might not be as good now. The LED strip has adhesive backing to affix to your sewing machine.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1