Boris LeonovSam KristoffArthur Brown
Published © MIT

Generating Audio with an Arduino and a Resistor Ladder DAC

I wasn't happy with the way the square waves sound, so I explored using other methods of generating sound waves with Arduino.

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Generating Audio with an Arduino and a Resistor Ladder DAC

Things used in this project

Hardware components

OpenScope MZ
Digilent OpenScope MZ
×1
Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
Speaker: 0.25W, 8 ohms
Speaker: 0.25W, 8 ohms
×1
Capacitor 100 nF
Capacitor 100 nF
×1
Single Turn Potentiometer- 10k ohms
Single Turn Potentiometer- 10k ohms
×1
Pmod R2R
Digilent Pmod R2R
×1
General Purpose Transistor NPN
General Purpose Transistor NPN
×1

Software apps and online services

Digilent WaveForms Live

Story

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Credits

Boris Leonov

Boris Leonov

10 projects • 16 followers
Electrical engineering student in the Seattle area. Electrical and mechanical DIY enthusiast. Fixer of things, large and small.
Sam Kristoff

Sam Kristoff

35 projects • 35 followers
Director of Engineering at Digilent.
Arthur Brown

Arthur Brown

14 projects • 19 followers
Applications engineer and digital logic geek

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