However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, it is not necessary ... the soldering work , get four jumper wires and ...

[Andy Brown] wrote in to show off the TFT LCD adapter he’s been working on for connecting inexpensive displays to an Arduino Mega. These TFT LCD screens can be picked up on eBay for a few dollars.