Apart from understanding the Arduino's code language, one of the most confusing parts about the platform — especially for beginners — is picking the right board to use in a project. Sure, it ...

Instead, he drew up a simple schematic that used an Arduino Nano, an FM radio module based ... The AM-FM selector knob was fitted with a micro-switch connected to the Arduino for selecting ...

Although a “CommsLink” module providing an RS-232 port was available back in the day, it’s become hard to find, inspiring [James] to design a completely new module based on an Arduino Nano.