It also has fewer pins than other boards, and its USB port is somewhat outdated ... size and microcontroller, the Arduino Nano and Micro share some similar pinout configurations.

One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that provides USB-standard 5-V DC output and offers some basic protection features.

He is using an Arduino Uno for his testing. But to get around some issues he’s experienced with other USB-based solutions he implemented a serial port connection instead. You’ll need to remove ...

For our younger readers; the parallel port ... shelf USB to DB25 adapter may look like a good idea at first glance but they won’t work for a CNC application. [Bray’s] adapter is Arduino ...