The Arduino ... convert your LCD into an I2C device (so it uses fewer pins), a motor driver for your fan, a breadboard to hold the components together, and some jumper wires for connecting ...

The upper range of the LCD’s input voltage is 3.3V, and these added parts make it possible to drive the device using 5V hardware like the Arduino Uno pictured above. While he was adding in parts ...

Over the years we’ve seen a number of homebrew 6502 computers assembled with little more than a breadboard ... that allows an Arduino (or similar microcontroller) to connect up to the computer ...