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.
Hello,
I am trying to make an oil pressure reader gauge using a LM3914 based circuit. I know that an electrical oil pressure gauge (in the car) is just a calibrated voltmeter, so it should be relatively easy to do. I have built a 12V bargraph voltmeter using the diagram from National...
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