/diy/ - Do It Yourself

Anonymous Mon May 28 19:13:38 2018 No.1395737 [View]
File: 33 KB, 670x400, up-down-fading-led-lights-circuit-diagram.jpg [View same] [iqdb] [saucenao] [google]

>>1395736
>>1395731
For the "fade in and out of unison" one, it turns out I can do that using a 555.

I found this diagram, but it relies on a manual push button switch to charge and discharge the LED.

I know you can use transistors to switch. How would I use one to automate this pushbutton? A Capacitor that slowly charges?
Maybe another astable multivibrator?

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/diy/ - Do It Yourself

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