There's the Arduino Giga R1 Wi-Fi featuring an impressive set of 76 pins and the Arduino Mega ... for interfacing with frequently used components like ultrasonic sensors and LCD modules.

for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, ...