Created
November 30, 2014 14:57
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Raspberry Pi Wood Stove Data Logger
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| #!/usr/bin/python | |
| import time | |
| import serial | |
| import array | |
| import datetime | |
| ser = serial.Serial("/dev/ttyACM0", baudrate=9600, timeout=7.0) | |
| ser.isOpen() | |
| command=ser.readline() | |
| while 1: | |
| command=ser.readline() | |
| temp=command.split() | |
| tempb=str(temp)[2:-2] | |
| print(tempb) | |
| file=open('stove.dat','a') | |
| file.write('%s,%s\n' %(datetime.datetime.now(),str(tempb))) | |
| file.close() |
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| import urllib2 | |
| import json | |
| import datetime | |
| f = urllib2.urlopen('http://api.wunderground.com/api/(your code)/geolookup/conditions/q/MD/Crofton.json') | |
| json_string = f.read() | |
| parsed_json = json.loads(json_string) | |
| location = parsed_json['location']['city'] | |
| temp_f = parsed_json['current_observation']['temp_f'] | |
| file=open('temp-gambrills.dat','a') | |
| file.write('%s,%s\n' %(datetime.datetime.now(),temp_f)) | |
| f.close() |
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| <html><body><h1>Wood Stove Controller</h1> | |
| <p></p> | |
| <p></p> | |
| <meta http-equiv="refresh" content="300"/> | |
| <img src="roomdata.jpeg"/> | |
| <img src="stovedata.jpeg"/> | |
| </body></html> |
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| reset | |
| set xdata time | |
| set datafile separator "," | |
| set xtics rotate | |
| set term jpeg | |
| set autoscale xy | |
| set autoscale y2 | |
| set timefmt "%Y-%m-%d %H:%M:%S" | |
| set format x "%d %H:%M:%S" | |
| set style data line | |
| set xlabel "Date/Time" | |
| set ylabel "Stove Temp in F" | |
| set y2label "Outside Temp in F" | |
| set y2tics | |
| set output "stovedata.jpeg" | |
| set title "Stove Data" | |
| plot 'stove1.dat' using 1:2 axis x1y1 title 'Stove Temp',\ | |
| 'stove1.dat' using 1:3 axis x1y1 title 'Stove Set Point',\ | |
| 'temp-gambrills1.dat' using 1:2 axis x1y2 title 'Outside Temp',\ | |
| 'stove1.dat' using 1:8 title 'Room Temp' axis x1y2,\ | |
| 'stove1.dat' using 1:5 title 'Servo Setting' | |
| set output "roomdata.jpeg" | |
| set title "Room Data" | |
| set y2label "Servo Position" | |
| plot 'stove1.dat' using 1:7 title 'Room Temp Set Point',\ | |
| 'stove1.dat' using 1:8 title 'Room Temp',\ | |
| 'stove1.dat' using 1:5 title 'Servo Setting' axis x1y2 |
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