Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
i want to make a led sign which has pherhaps a message or a pic. ill probably only be using 40-50 so what type of power source would i use?(i can plug it in). and what would i do if i wanted to make it flash?
cheers
all help appreciated
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