Once you have finished the soldering work , get four jumper wires and connect the LCD module to your Arduino as per the instruction given below.

One of the limitations of the small 8 bit microcontrollers like the Atmel ATMega family adopted by the Arduino board ... including the alphanumeric LCD ready to use can be found on the Balearic ...

Instead, [Ivan] decided to drive it directly from an Arduino Uno ... RAM and flash. The code is available on Github. If you need inspiration for your own controllerless LCD driver.

This suits the commonly available Arduino shields which combine a 16×2 character LCD with a set of four tactile buttons in a cross formation. However, modifying the code to use an alternate ...