This is the code which powers the monitoring gauges which display various Last.fm site statistics on my desk: http://www.flickr.com/photos/russss/2839390297/ It's unlikely to be useful to anyone in its current form, but it's a decent example. *ASCII Art* -------------- | Monitoring | | Server | -------------- | | (TCP/inetd script) | v ------------- | My PC | | (gauged) | ------------- | | (USB/Serial) | v -------------- | Arduino | -------------- | | | | | | (PWM Outputs) | | | |-| |-| |-| | | | | | | (Calibration | | | | | | Resistors) |-| |-| |-| | | | | | | Gauges