Basic tooling to generate a graph of sensor values from several Awair Elements.
To initialise an round-robin database, do ./create.sh sensorname.rrd.
This runs on my cron; in my crontab I have:
AWAIR_TOKEN=xxx
AWAIR_DEVICES=123:bedroom,456:study,789:kitchen
*/15 * * * * cd ~/rrdtool && bash getData.sh