/ /Introduction

A relay is an electrically controlled mechanical switch. Inside the plastic box is an electromagnet that, when energized, causes a switch to trip.Relays come in various sizes and are each capable of switching a certain amount of current.

/ /Exercise 1

1. Wire up the following schematic
   
   
   

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2. Program the chip so that pin 2 is an output. You want to toggle pin 2 on and off
   
   

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3. Test the circuit
   
   

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4. Remove the red LED, and connect the motor in its place (bypass the 560 Ohm resistor). Change your code so the motor stays on longer
   
   

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5. Test the circuit/program
   
   

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