Using the serial monitor that is built into the Arduino IDE (Integrated Development Environment, aka desktop software), write a program that reads in a value and echoes back the same value.

While the Arduino family of boards connect to your computer using a USB virtual serial port, the ATmega ones have an actual serial connection on-board.

The Arduino Due software comes with software examples for a WAV and OGG player. • 4 high-speed serial communication ports. • 70 input/output pins. • High-speed CAN interface.

After some research, it was determined that it would be relatively simple to have an Arduino convert incoming serial data into a parallel output to the printer.

Here’s the code we promised you in the current issue of Macworld. To download a Zip archive containing this code as well as the compiled script, click here. long MINUTES = 15; // take a break ...