There are five input pins to the chip which lets you connect one analog pin to any one of 32 analog pins. Of course, in addition to the five control lines, you need some handshaking lines ...

On the electronics and interfacing side of things, [John] utilises the Arduino pro micro for its copious analog inputs and USB functionality. A nice feature of this board is that it’s based on ...

Apart from understanding the Arduino's code language ... Among these, six (A0 to A5) double as analog input pins on both boards. That's where the similarities end. When it comes to the pins ...