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Eagle Blinking LED oshcamp

555 Timer blinking a LED, documented in Eagle

Recent activity:

  • psd schematic processed7 years ago
  • psd schematic received7 years ago
  • psd bom received7 years ago
  • psd pushed to7 years ago
  • psd created7 years ago

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This project does not have a descriptive photograph.

This circuit uses the 555 timer in an astable operating mode generating a continuous output via pin 3 in the form of a square wave. This turns the LED on and off at a speed set by the values of R1 and R2.



This project does not have a board layout.

Bill of Materials

Designator Value Description
C1 1uF Capacitor
IC1 NE555 General purpose bipolar Timer
R1 1K Resistor
R2 470K Resistor
R3 1K Resistor



This project is published under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported licence.