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How to interface LCD with netduino board

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#1 Siva7080


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Posted 17 November 2010 - 12:29 PM

Hi all, I want to interface LCD tonetduino board, i googled and found this link below will ordinary 20 x 4 LCD, 5v can be interfaced with netduino using 8-stage shift - and - store bus register or i should use serially enabled 3.3v LCD. Thanks & Regards sivakumar

#2 darkside40



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Posted 17 November 2010 - 12:55 PM

Please look in this Thread here, maybe it contains the Info you need http://forums.netdui...ch__1#entry1780

#3 phantomtypist


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Posted 17 November 2010 - 01:08 PM

You could always use Bavel Bansky's I2C LCD display implmentation and it will only use two wires.

I used this I2C GPIO port expander -> NXP PCA9554N

If you need something bigger than an 8 port extender, try the 16 port I2C extender -> NXP PCA9555N

Just makes sure the LCD display is 3.3V. No need to buy the serial edition IMHO as it wastes pins and is more expensive than the I2C option.

You're also going to need a trimpot of sorts -> 10K trimpot

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