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Basic Arduino Projects
book

Basic Arduino Projects

by Don Wilcher
March 2014
Beginner
258 pages
4h 45m
English
Make: Community
Content preview from Basic Arduino Projects

Chapter 1. The Trick Switch

Resistor-Capacitor Timing Basics

In electronics, sometimes we want to keep a device on for a certain amount of time even when an electrical switch is turned off. Ordinary pushbuttons used to turn electronic devices on and off can easily be operated by a timed delay switch. How awesome would it be to create such a device to delay turning off a simple LED? Such a gadget could be used to trick your friends, family, or even the local Makerspace when they see the LED staying on after the pushbutton has been released. With a few electronic components, you can make an LED (light-emitting diode) stay on for a few extra seconds when a pushbutton switch is turned off. Figure 1-1 shows an assembled Trick Switch. The electronic ...

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Publisher Resources

ISBN: 9781449360658Errata Page