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Thank you for purchasing an I²C LCD module from us or just stopping by to find out how to use a generic I²C LCD module. This guide applies to the following I²C LCD module we carry or similar I²C LCD module you can find in the market. 16×2 I²C Character LCD Module (Yellow Backlight 5V) The good thing about I²C LCD module is they only use 2 wires instead of the 6 or more wire required for parallel connection style LCD. Circuit I lied, to connect I²C LCD module, you actually need 4-wires: 5V (VCC), GND, SDA, and SCL, as...