Author Topic: Quick line follower question  (Read 623 times)

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Offline XyverTopic starter

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Quick line follower question
« on: July 08, 2010, 02:50:36 PM »
If I was to make a line follower robot with, say, 5 IR LEDS and 5 IR receivers, then does that mean I need to use 5 input pins on an Arduino?  Or is there some way to combine them...

Offline waltr

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Re: Quick line follower question
« Reply #1 on: July 08, 2010, 03:11:09 PM »
The easiest is to use 5 inputs pins. There are multiplexing methods but would require a few pins to control therefore you wouldn't save pins for only 5 inputs.

 


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