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 would expect that it would come on when the engine is starting. No, I wouldn't want it on anytime an extra load is placed on the car. I would basically want it as a warning that the voltage is dropping abnormally low. I'm not sure where I would want it yet, 10volts, 9 volts?
I working on building a custom gauge cluster for my car. Do to space constraints I will no longer be able to have a voltmeter, digital or analog. Is there something I can build so that when voltage of the car/battery drops below a certain level a warning light will come on? The warning light...
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