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By dotCore
via tronixstuff.wordpress.com
Submitted: May 16 2013 / 13:03

If you’re experimenting with various Arduino or other projects and working with LED matrices or lots of LEDs – you may have come across the Maxim MAX7219 “Serially Interfaced, 8-Digit, LED Display Driver” IC. It’s a great part that can drive an 8 x 8 LED matrix or eight digits of seven-segment LED displays very easily. However over the last few years the price has shot up considerably. Supply and demand doing their thing – and for a while there was also the Austria Microsystems AS1107 drop-in replacement, which could be had for a few dollars less. But no more.
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