Arduino-serial: C code to talk to Arduino – todbot blogtodbot blog Random experiments, circuits, code, rapid prototyping, sometimes things to buy, and the odd tune by Tod Kurt. [NOTE! arduino-serial has been greatly updated. See the “Arduino-serial: updated!” post for details] The Arduino’s USB port is actually a serial port in disguise. To your computer it appears as a ‘virtual’ serial port. This is good news if you want to write custom code on your
