Since the use of an LCD requires many microcontroller pins, we will reduce that number using serial communication, which is basically sending "packages" of data one after another, using only two pins of our microcontroller , pins SDA and SCL which are the analog pins A4 and A5 of the Arduino NANO or pro mini.
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Scooped by
Gumersindo Fernández
onto tecno4 January 26, 2020 12:30 PM
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