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 build a comparator cirucit using opamps that will turn on a green led at a specified temperature and while leaving the green led on, turn on a red led at a second temperature. The idea is to provide a user with a visible indication that temps are okay with the green one, but bad things...
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