Plug-in circuit modules called "shields" let you ... We've published numerous articles on ways you can use an Arduino on a model railroad. These include: We’ve also got a book on how to use ...

the idea is that he can still use the Arduino to reprogram the NVRAM chip when he wants to play around with the sound. We’ve covered some pretty fancy circuit bent instruments here in the past ...

You’ve also got the Mega models that live up their moniker with their massive IO pins and better processing capabilities. Since the Arduino series has an open-source hardware license ...

A Pro Mini model was chosen for its small size ... Jumper wires soldered to the circuit board simply allow the Arduino to emulate button pushes. To ensure that the head unit buttons still work ...