Connect 2015 Smoking Salmon with Splunk and Raspberry Pi

13
Smoking Salmon with Splunk and Raspberry Pi Greg Dostatni

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Transcript of Connect 2015 Smoking Salmon with Splunk and Raspberry Pi

Page 1: Connect 2015 Smoking Salmon with Splunk and Raspberry Pi

Smoking Salmon with Splunk and Raspberry Pi

Greg Dostatni

Page 2: Connect 2015 Smoking Salmon with Splunk and Raspberry Pi

Assumptions

Cold Smoking

Requires temperatures between 20°C and 30°C

Raspberry Pi

Tiny computer used by hobbyists for just about anything

Splunk

Software used for searching, visualizing and analyzing machine generated data

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Equipment

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Electronics

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Connecting sensors

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Code*#!/usr/bin/pythonimport dhtreader, time, os, sys, os.path

type=22pins =(18,)

dhtreader.init()time.sleep(3)

for loop in range(SAMPLECOUNT): for pin in pins: time.sleep(0.5) val = dhtreader.read(type,pin) if val: temp, hum = val sensors[pin]["count"] += 1 sensors[pin]["temperature"] += temp sensors[pin]["humidity"] += hum time.sleep(0.5)

for pin in pins:if sensors[pin]["count"] > 0:

sensors[pin]["tempoutput"]=str(sensors[pin]["temperature"] / sensors[pin]["count"])

sensors[pin]["humoutput"]=str(sensors[pin]["humidity"] / sensors[pin]["count"])

else:

sensors[pin]["tempoutput"]="ERR"sensors[pin]["humoutput"]="ERR"

sensors[pin]["errors"]=str(SAMPLECOUNT-sensors[pin]["count"])

# output averagesfpw.write( "%s,"%time.ctime() + ','.join(["%s,%s"%(sensors[x]["tempoutput"],sensors[x]["humoutput"]) for x in pins])+"\n")sys.stderr.write("%s, samples=%d, "%(time.ctime(),SAMPLECOUNT)+','.join(["S%d_errorcount=%s"%(x,sensors[x]["errors"]) for x in pins])+"\n”)

*Complete source available in comments on this slide.

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Dry Cure

4 cups brown sugar1 cup saltSpices (optional)

Video instructions at http://youtu.be/Jk3xl6H9o94

http://youtu.be/Jk3xl6H9o94
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Smoking Salmon

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Delicious results

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MotivationSalmon economics

Salmon Filet $9 / lbs.Typical batch 4 lbs.Finished weight 2.8 lbs.C. Smoked Salmon $ 40 - 45 / lbs.Savings $ 70 - 85

CFO’s approval …

Priceless

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Future Plans

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Future Plans #2

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THANK YOU!Questions?


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