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.
in this video I present a revolution counter for Arduino boards which is based on a fork light barrier. It can count (at least) up to 20,000 rpm. The video and description include a circuit diagram as well as code.
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