Tell us about yourself!
Way back when all we had were dot matrix printers folks used them to print banners such as "Happy Birthday"It looks like your project is a way to bring those back.Hopefully I'll get around to building one.
Tools + Materials
Meet Your Saw
Table Saw Class
Tools and Materials for Arduino
Welcome to Arduino
I once saw something similar at a trade show.A color television chassis (on and working!) in a container of ultra pure water.Seems pure water is a terrible electrical conductor. Can you guess what the vendor sold? ;)