rhd
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Does anyone have a simple circuit for scaling a battery voltage into progressive LED bars? Is it possible to do this with passive components? (I know there are ICs out there).
I'm looking to scale the voltage between 3.0 and 4.2 into between 0 and 20 LED bars.
Any creative solutions?
I'm looking to scale the voltage between 3.0 and 4.2 into between 0 and 20 LED bars.
Any creative solutions?