An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape. By The Big Book Of Hacks Published Jan 10, 2013 3:00 AM EST Get the ...

Big Time Character LCD Clock. 9 Comments . by: Sven Gregori. December 28, 2020. Title: ... To communicate with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, ...

[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… ...