[Carlo Denaro] is sharing a smart solution to save digital pins while controlling an LCD, using Shift Register 74HC595. A simple yet useful project with skecth&libraries, datasheets and Fritzing schematics.
This entry was posted
by Davide Gomba on Monday, January 16th, 2012
and is filed under 74HC59, Actuators, Coding, Fritzing, IC, languages, lcd, Libraries, Protocols, Visualising Data.
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I always used 595 to work with lot of leds, leds matrix and LCD! It’s like extending Arduino with more and more pins!
I already though of doing this with an i2c MCP23008 like I saw in the playground but with an 595 is much nicer and simpler, also it comes with a Arduino library for it. Thank you, Carlo
Its also possible with only 2 pins:
Is it ok to use a 74LS595 IC rather than 74HC595 is it ok?
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