Hello Paradigm, Thanks for your quick reply. The statement "The I2C lines operate at 5V normally or 3.3V for -1U style units" implies that Matrix Orbital sells some displays for which the I2C lines do operate at 5V. Can you tell me which ones those displays are? Or, are they all displays w...

Hello Everyone, My first post. 8) Yes, I'm a newbie, but I did do a search and didn't find anything. :( I recently purchased an LK204-7T-1U-GW for use with a Picaxe controller. I plan to use I2C to communicate as I need to use the serial port on the Picaxe for RS485 communication. I was reading the ...