My Projects

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Superimposing PWM waves on the same Arduino Pin to allow polyphonic music

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Arduino Piano

Chris Forman

Things I've Built

Arduino Piano

This is cool because i wrote my own bitbashing code which allowed me to superimpose multiple PWM waves on the same arduino pin. Thus one can use this simple keyboard to to play polyphonic music. Sort of.

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Follow for the 'Hacklet' and latest news about hackaday.io

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Lutetium

• The 2015 Hackaday Prize

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Scrolling LED display on your wrist

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ScrolLED watch

Vikas V

• The 2015 Hackaday Prize
• Official Hackaday Prize Entry

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Rotating perforated disk counter-flow heat exchanger maintains indoor temperature while exchanging fresh outdoor air.

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Entropy Wheel Heat Recovery Ventilator

Bryan Williams

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10

Breathing new life into a 22 year old robot toy

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Retro Robot Restomod

Ossum

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