links for 2008-12-31

"Del.icio.us (and any del.icio.us-like service) is a database! You can use it, without doing any programming, to maintain lists of arbitrary sets of resources that can be queried and edited, with equal ease, by humans and by programs."

Piezo sensors twitter a baby's kicks at http://twitter.com/kickbee using a mini arduino and bluetooth or xbee.

"1/8" Jack allows analog sensors to be connected to an iPhone or iPod Touch without the need for additional circuitry or power source. The system allows for fast and simple prototyping of new mobile concepts and requires only a basic understanding of Javascript to implement."