well, interfacing an µC to “an lcd panel” is quite hard and would’ve been an interesting topic. but since this post is about “interfacing an arduino with a serial lcd controller”, i’m ...

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, you ...