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Make: Maker Projects Guide
book

Make: Maker Projects Guide

by Mark Frauenfelder
July 2013
Beginner content levelBeginner
112 pages
5h 10m
English
Make: Community
Content preview from Make: Maker Projects Guide

Projects: ELECTRONICS

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Garry McLeod

SECRET-KNOCK GUMBALL MACHINE

By Steve Hoefer

CANDY RAPPER—Make a cute candy vending machine that only dispenses treats when you knock the secret rhythm on its front panel.

One of the best things about exhibiting at Maker Faire is giving attendees a challenge. For the 2010 Maker Faire Bay Area, I decided to combine a past project of mine, a door lock that opens only when you give a secret knock, with a standard crowd pleaser: candy.

OPEN SEZ ME image

Sweet, satisfying gumballs tempt passersby.

Rob Nance

A piezoelectric ...

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Publisher Resources

ISBN: 9781457194139Errata Page