Free circuit schematics - wiparat.com

This circuit is built around one of the most popular timer integrated circuits, the 555 timer.
This circuit will flash the led on and of at regular intervals.
From left to right, the two resistors and the capacitor set the time it takes to turn the led on or off, by changing the time it takes to [...]

This is circuit Single LED GATE Flasher by 4011
Flash = 1Hz , IC 4011 ’s Input pin 1 for Control LED ON or Flasher.
Logic = Low (LED ON) , Logic Hi = LED Flasher.
I like this circuit because it is easy to make.
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