Matrix user forums

Hi kersing,

Thanks for your help. I am very happy to report success. Two modifications were made. Firstly the 5k pullup on SDA and SCL and secondly putting in the address as 0x27 ie 39. Flowcode had specfied 32. It is a great pleasure to sit and look at the print. Construction of my device is so ...

Thanks again kersing. I would like to ask whether or not in going from the Flowcode 4 X20 LCD display to the i2C LCD display are there significant ways in which the program technique differs? I just use the start/cursor/print number or print string functions with no other refinements.

Tony

Thanks kersing. No pull-up resistors, but easy to add. Suggest 10k?
Do you have any comment on the response to the contrast potentiometer. Is this normal behaviour?

I have a working Flowcode 7 program printing to a 2004A (parallel) LCD 20 x 4 display and want to upgrade to run iC2 2004A displays recently purchased from Banggood.
I wrote a simple printing program using the LCD(I2C) Flowcode component. It prints Ints and strings in simulation and complied to the ...