To link a standard 16×2 LCD directly with the microcontroller, for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these ... Give our PCB fab tutorial a try.

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are ... [Chris] is using a character LCD to output the reading. Wiring and driving the ...