I have used I2C, but I now like serial.
In my opinion number 5 is valid, the rest are not....
In my opinion number 5 is valid, the rest are not. This is a one time deal.#2 I don't think we have come across any I2C adapters that don't work with the currently recommended library.#3 You don't have any extra hardware to contend with, you just have to make sure that the displays have different addresses.#4 You should not be worried about an additional wait of several mS when most of the time is already spent in delay loops. A timeout for missing ACKs is easily implemented if that concerns you.Don
Maybe you can tell the OP what address,and pins should be defined in his code for the device he is looking at.
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