Hi all !
I leave in France, and having a RPi and a very basic UART adapter, I can
retrieve some data from my electricity Meter. I could create some basic
RRDTool graphs, and I can now foolow my instantaneous consumption.
Here is my db creation :
rrdtool create edf \
--start now \
--step 60 \
DS:cpt:COUNTER:60:0:U \
RRA:AVERAGE:0.5:1:12 \
RRA:AVERAGE:0.5:12:48 \
RRA:AVERAGE:0.5:288:365 \
The "cpt" value is the electricity counter raw value (in Wh), meaning
electric consumption since the beginning (a very big number, which can only
increase). I update it every 10s.
What I want now is to have my daily consumption. I want a graph which
clearly show what was my total consumption yesterday, and the day before,
and the day before etc.
How can I do that ?
Thanks for your help !
gUI
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