LCD through i2c

Thanks @mcobit and @szalay, I will wait for your update!

@mcobit and @szalay Any news from the tutorial?
And it it is not still in a final state, could you PM it to me?

Did you get anywhere with this? Ide love to get mine working.

I guess the answer is here

I guess the problem I’m having is the i2c port extender I have is a mcp23017 and all the tutorials I find use another type of i2c extender. The problem is in the addressing of the pins of the mcp23017. Adafruit examples for this ic chip use labelling like “GPA1” for pin 2 on bank A or “GPB4” for pin 5 on bank B. This of course isn’t recognized by LCDproc when defined in LCDd.conf. I’ve seen examples of LCDd.conf with what I’m assuming is hex addressing. For example EN=0x10 or D4=2x40. I’ve searched Mcp23017 datasheets and can’t seem to make the link.

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