555 Simple Oscillator [tutorial]

The easiest and cheapest way to make an oscillator is using the famous 555 timer chip, which in Indonesia it cost roughly about Rp. 800,-. It’s a simple oscillator which produced a square wave  signals. You can also call it as “Poor man’s oscillator” :P. Even as simple as it is, or as cheap as it is, this oscillator is still a powerful instrument. I build this oscillator based on “Laser Ray” Schematic from “50 555 Circuits” E-book by Collin Mitchel. I also made the EagleCAD schematic and board file bellow.

555 Simple Oscillator<br /> 01

Part List

First thing first, you’ll need:

  • NE555 IC-Intergrated Circuit (duh)
  • 5K Potentiometer
  • 250K Potentiometer
  • 480 ohm resistor (1/4 or 1/2 Watt)
  • 0.1 uF capacitor
  • 2 pcs 10uF capacitor
  • 1 LED (any color)
  • 1 on/off switch
  • 9V Battery clip


555 Simple Oscillator schematic

PCB layout

555 Simple Oscillator Board Layout

PCB print (inverted)

555 Simple Oscillator PCB print

Download EagleCAD schematic file here: [>>link<<]
Download EagleCAD board file here: [>>link<<]

One thought on “555 Simple Oscillator [tutorial]

  1. Pingback: Square, Integrator, Triangle, Sine (S.I.T.S) Oscillator [tutorial] | andreas siagian

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