"rePatcher is an Arduino shield that allows you to “repatch” your Max/MSP or Pure Data patches with a 6 x 6 patchbay matrix. It also has 6 general purpose control knobs for modifying parameters in your patch. Since it does all of this over USB, it can be hacked to work with any other program that can accept a serial stream." Oh, very nice.

"NewSoftSerial is the latest of three Arduino libraries providing “soft” serial port support. It’s the direct descendant of ladyada’s AFSoftSerial, which introduced interrupt-driven receives – a dramatic improvement over the polling required by the native SoftwareSerial."

"This library implements the Software serial Arduino library to establish a serial connection to a Mobile phone. The methods methods hides the AT+ commands from the user allowing messages to be sent by passing the method on a phone number or email and the message." Oh, now that is interesting.

Specifically, the classic _television/radio serial_ - but a cracking piece of writing nontheless