Reverse engineering an off the shelf home electricity monitor to log data to a Raspberry Pi, replacing PCs with lower power devices and using software to monitor computers left on when not needed.
with low power devices – Good for always on machines • Use them less – How to measure waste • Projects – Electricity monitor hacking – Digital signs and display screens – Computer power monitoring
bought from maplin, on the box it seems high speck but in reality it a compliant waste of time, have spent over a HOUR working out how to change the default settings if you unplug the unit from the computer All your usage data is lost, and there is no way of stopping the display from constantly scrolling.” – gary
Give up – Not likely • Hack it until it works – Reimplement on a Raspberry Pi – Running Linux (standard Raspbian distro) – Code in Python, HTML5 and JavaScript
– Lots of noise and poor quality image – Browser toolbars/login prompts etc. – High power consumption (always on) • Raspberry Pi is much better – Better quality signal (local digital connection) – Much lower power consumption – Some issues found and fixed – ShutdownScanner.com/Blog
your staff are leaving their computers on overnight and at weekends? – How many? – How much does it cost? • Shutdown Scanner – Service to automatically measure how much power/money is wasted by inactive computers left on overnight or at weekends – ShutdownScanner.com – Lots of lovely graphs – Shows you the waste
service soon – Possibly re-design look and feel – Core technology works well • Interested in trying it out? – Got an office? – Bills too high? – Get in touch – Take a card
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