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 saw on this site a circuit using 4029 and 4013 ICs to compare Port and Star engine RPM, but can not find it now
Can someone direct me to the circuit diagram please?
After some ideas here, if anyone can help. I have a twin engine/twin screw boat and I want a simple indicator to show when the engine revs are synchronised. The analogue tachos are not desparately accurate, and I know I have a higher fuel burn on one engine so I want to make sure they're...
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