0blinkyblinky 9 years ago Go to this link:http://www.555-timer-circuits.com/up-down-fading-led.htmlAdjust values for shorter or longer fade in/out times.
0lemonie 11 years ago There's a 555 fade in/out & schematic in this one:https://www.instructables.com/id/Beating_LED_Heart_Picture_Frame/L
Comments
9 years ago
Go to this link:
http://www.555-timer-circuits.com/up-down-fading-led.html
Adjust values for shorter or longer fade in/out times.
11 years ago
There's a 555 fade in/out & schematic in this one:
https://www.instructables.com/id/Beating_LED_Heart_Picture_Frame/
L