This script generates an RRD graph from the data available at mySmartGrid.net. Prequisires: • rrdtool in your $PATH • JSON::XS, RRDTool::OO, LWP::UserAgent Usage: 1) Create the RRD database using create_rrd.sh <rrd-database> 2) Fetch the data from mysmartgrid.net and put the data into the database update.pl -t <token> -s <sensor> -r <database> 3) Create the chart using mkchart.sh mkchart.sh <rrd-database> <output> You should put steps 2) and 3) into a crontab.