PWM Signal Generator

by ArduGeek

1.6K33

Intro: PWM Signal Generator

Circuit is very easy to build all you need is:

  • Arduino UNO
  • OLED display module
  • Few wires
  • 3mm LED
  • 8ohm speaker
  • Servo motor
  • 10k ohm pot
  • 3x10k ohm trimmer pots
  • 2x1uF caps

STEP 1: Program Circuit

STEP 2: Filtering PWM

What if you need sine wave or spike wave, you can easly filter those out of PWM

STEP 3: How Can I Use PWM


Answer is simple just hook it up to speaker, LED or servo

2 Comments

seamster 4 years ago

Thank you for sharing how to make this : )