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Author Topic: ExtraOutputs - Simplest way of Expanding the number of digital outputs  (Read 1085 times)
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Hi all,
During a small project I needed to interface an 8x8 led matrix and I opted to use the 74HC595 IC mainly for its price and tutorials available. Later on I found out that using the ShiftOut function isn't as "Arduinish" as it should be, so I've created a small class wrapper and decided to share the Library with you:

http://www.pauloricca.com/index.php?a=blog&idpost=18

The main advantage now is that we can connect as many 74HC595 IC's as we want and we can access each pin by using a familiar digitalWrite(pin_number, HIGH/LOW) method.. hope you find this usefull!
Cheers!
Paulo
« Last Edit: April 11, 2011, 02:17:46 pm by Paulo Ricca » Logged

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