Sep 12, 2014. Tutorial - Serial I2C backpack for HD44780-compatible LCD modules with Arduino. Using LCD modules with your Arduino is popular, however the amount of wiring requires time and patience to wire it up correctly - and also uses a lot of digital output pins. RS232 Serial to HD44780 compatible LCD controller interface. Adapter Version V1A, V1B - Software V1.2.1. La Cimbali M2 Barsystem Owners Manual. Congratulations on your purchase! Before connection or power up please read the quick start guide. Through out this manual the RS232 to HD44780 compatible LCD controller interface is. Cvs High School Drivers Ed.
LCD Backpack V2 - I2C and Serial RX The Hobbytronics LCD Backpack is a useful little board that can be soldered onto the back of LCD’s that use the standard Hitachi HD44780 compatible interface. This allows the LCD (and backlight if fitted) to be controlled directly from a microcontroller using either the I2C interface or via a serial RX connection at baud rates from 2400 up to 115200. It contains a bootloader so the software can be updated. The latest version can be downloaded on the right.