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Hacker.instanet.net • View topic - I2C LCD adaptor

I2C LCD adaptor

Anything Arduino

I2C LCD adaptor

Postby Steve » Sat Dec 29, 2012 8:46 pm

I just got a I2C adaptor for LCDs at the TRW swapmeet and am having trouble finding any documentation on it. Can anyone tell me what sort of commands should be sent to the board, or the IC part number (it appears to be sanded off in order to improve clearance).

Thanks!
Steve
 
Posts: 2
Joined: Sat Dec 29, 2012 8:30 pm

Re: I2C LCD adaptor

Postby Steve » Tue Jan 01, 2013 8:33 pm

For anyone else with this problem, after much googling it appears that the chip is a PCF8574, and is compatible with the F Malpartida's NewLiquidCrystal library.
https://bitbucket.org/fmalpartida/new-l ... /wiki/Home
Steve
 
Posts: 2
Joined: Sat Dec 29, 2012 8:30 pm

Re: I2C LCD adaptor

Postby Tim Laren » Fri Jan 04, 2013 9:31 am

Image
Tim Laren
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