Use testing mode in order to show "hello world" on the screen at arduino startup : Verify contrast (it could be too low preventing you to see text), you can adjust contrast using the blue ...
Verify contrast (it could be too low preventing you to see text), you can adjust contrast using the blue potentiometer on the I2C backpack. Check the I2C address ...
In this digital age, we come across LCDs all around us from simple calculators to smartphones, computers and television sets, etc. The LCDs use liquid crystals to produce images or texts and are ...
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