temperature logging
Setup temperature logging via USB temperature sensor. Send data to Graphite and display locally via google draw charts
Raw data file collected by the sensor has a format:
2017/01/27 15:35:01 Temperature 106.81F 41.56C
2017/01/27 15:40:01 Temperature 105.12F 40.62C
Json data file has a format:
{
"cols": [
{"id": "timestamp", "label": "DateTime", "type": "datetime"},
{"id": "tempF", "label": "degrees F", "type": "number"},
{"id": "tempC", "label": "degrees C", "type": "number"}
],
"rows": [
{"c":[{"v": "Date(2017,0,27,15,35,1)"}, {"v": 106.81}, {"v": 41.56}]},
{"c":[{"v": "Date(2017,0,27,15,40,1)"}, {"v": 105.12}, {"v": 40.62}]},
}
INSTALL
- download
wget http://dev-random.net/wp-content/uploads/2016/01/temperv14.zip- install dependencies
yum --enablerepo=base install libusb-devel (it will add libusb if not there)- compile
unzip temperv14.zip ; cd temperv14 (edit makefile if needed)
make- place tempdata.html and tempdata.php in /var/www/html/