ElPaul

I add in latin1.py (like here: https://en.wikipedia.org/wiki/Polish_orthography#Computer_encoding) ` 0x0107: [ 0b01110000, 0b10001000, 0b10001000, 0b10001000, 0b01000000 ], #ć=c ` ` 0x0119: [ 0b01110000, 0b10101000, 0b10101000, 0b10101000, 0b00110000 ] #ę=e ` but...

dhrone... You are my Guru! I have no words to thank you!  That's exactly what I expected. Now I have instructions, so I have time to create my own...

Full success! Thank you again for the instruction! 

Today, I made only a few letters. When I do all I will send. Yes, I am using the hd44780_i2c.py driver for the WEH002004BL display (initialize problem after soft restart)....

> only supports a maximum of 8 custom characters at a time. If you try to display a screen with more than 8 custom characters, the remaining custom characters will...

You're right. If I run domoticz after mosquitto, everything is OK.