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Hi Gordon, all,
thank you for your support.
At the end, I found I2C address management in Espruino more smart than in other contexts...
Now that I have two working displays, I can start more intense tests to turn some projects developed with other (native) platforms into Espruino.
In case of problems I will try to ask for your support again...By the way, I find JavaScript an interesting and powerful language (although I am not much "in the matter" for the time being).
I have read, for example, that it can be adapted to different programming paradigms...
Could you suggest some tutorials (or other material) to understand this language deeply?
Thanks in advance...
Regards,
Blizzard
@Gordon
Great! Yes, I2C addresses are a bit strange. They're only 7 bits.
On Arduino they seem to choose addresses to be 8 bits where the lower bit always has to be zero. On Espruino they're real 7 bit addresses (so they're shifter right by one bit)