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.
A computer mouse uses rotating wheels and phototransistors(?) to detect mouse motion. I took a mouse apart to see if I could apply these components to a project I'm working on.
I think I can use the mouse LEDs and phototransistors but I don't know how to select resistors (and other...
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