I created some thermochromic swatches using different shades of purple and blue. I was trying different brushes and textures.
This is my first attempt using the quick sew machine. It works nicely with a regular thread but not as good with the conductive one.
I managed to sew some interesting shapes with varied resistances.
I ended up sewing by hand my message.
I created in a way that the message in the way the word LOVE wouldn’t be readable until the last letter is heated.
Heating circuit here.