December 2010
Beginner
455 pages
10h 47m
English
Content preview from Beginning Arduino
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Project 6 – Interactive LED Chase Effect
Leave your circuit board intact from Project 5. You're just going to add a potentiometer to this circuit, which will allow you to change the speed of the lights while the code is running.
Parts Required
All of the parts for Project 5 plus....
| 4.7KΩ Rotary Potentiometer |  |
Connect It Up
First, make sure your Arduino is powered off by unplugging it from the USB cable. Now, add the potentiometer to the circuit so it is connected as shown in Figure 3-2 with the left leg going to the 5v on the Arduino, the middle leg going to Analog Pin 2, and the right leg going to ground.
Figure 3-2. The circuit for ...
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