To link a standard 16×2 LCD directly with the microcontroller, 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 ... This ...

to connect other I2C devices (like magnetometer) So if you think Hackabot Nano is something your Arduino building could benefit from, visit the Kickstarter website now to make a pledge and help ...