Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...

However, if you want a fixed contrast level then you can replace the potentiometer component with a resistor-diode setup as shown below. This gives a solid DC level (0.65/0.7 V) at the input of the Vo ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...