The 1602A LCD Serial Backpack is a ATMEGA328 microcontroller module that mounts behind standard 16 character x 2 column LCD displays. It is essentially an Arduino Uno with a built in LCD and RS-232 ...

This example code is in the public domain.

These days, you could be forgiven for thinking driving an LCD from a microcontroller is easy. Cheap displays have proliferated, ready to go on breakout boards with controllers already baked in. Load ...

The past month or so I’ve been playing with the Maxim DS1307 Real-Time-Clock and DS1621 Temperature Sensor ICs. I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I ...