Autofade Lamp Test Circuit Upgrade

On Saturday, I reported that I didn’t have enough current gain in my autofade lamp test circuit to get a flashlight lamp to glow. The solution was to insert a second transistor, so that the circuit looks like this now:

This is presented in a second video in the autofade lamp series.

Here is the first video in case you missed it:

And here is the second video, about my adventures in upgrading the test circuit:

And so it might be time to start looking at enclosures, reflectors, and diffusers.

About engineerzero

Once and future engineer.
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