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Dimmer effect (fade) on 12v LED using transistor and Arduino - Electrical Engineering Stack Exchange
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circuit design - LED Dimmer only using NPN BJT and potentiometer - Electrical Engineering Stack Exchange
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LED fade on off improved with NPN BJT improved capacitor controlled by push button switch circuit - YouTube
When a BJT is being used as a switch to turn on a LED, why does the LED not turn on when the base is short to the ground? - Quora
![Dimmer effect (fade) on 12v LED using transistor and Arduino - Electrical Engineering Stack Exchange Dimmer effect (fade) on 12v LED using transistor and Arduino - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/6Q3VH.png)