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Learn Arduino Prototyping in 10 days by Kallol Bosu Roy Choudhuri

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Finishing touches

We are almost done with our first standalone device prototype. Just two more things remain:

  • A power switch
  • A project enclosure

A simple power switch will be used to switch the power supply to the device ON and OFF. There are various types of power switches and numerous options to choose from. In order to make our selection easier, we should know that there are mainly two types of power switches:

  • Momentary switches
  • Maintained switch

Momentary switches are the common push button switches that we have seen so far. Recall the push button that we used in Chapter 3, Day 1 - Building a Simple Prototype. The main feature of a momentary switch is that it remains in a closed state (stays ON) as long as the button on the switch ...

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