Netduino Smoker

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Netduino Temperature Control System

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Netduino Smoker

  1. 1. SMOKER NETDUINO TEMPERATURE CONTROL SYSTEM @JESSEPHELPS JESSEPHELPS.COM
  2. 2. Platinum Sponsors Gold Sponsors Silver Sponsors
  3. 3. PARTS 2x - 16” Terra Cotta Pot http://www.homedepot.com/p/NorcalPottery-16-in-Terra-Cotta-Pot100043021/100333338
  4. 4. PARTS 18 1/2” Kettle Grill Charcoal Grate Actual Diameter 15” http://www.homedepot.com/p/WeberPlated-Steel-Charcoal-Grate-for-18-1-2in-Kettle-Grills-7440/100683984
  5. 5. PARTS Oster Single Burner http://www.walmart.com/ip/24183268
  6. 6. PARTS Netduino (2, Plus 2) https://www.sparkfun.com/products/1166 3 http://www.adafruit.com/products/1228 http://www.makershed.com/ProductDetai ls.asp?ProductCode=MKND06
  7. 7. PARTS Taylor Thermometer Probe (Thermistor) http://www.amazon.com/TaylorReplacement-Thermometer-Stainless1470NBRP/dp/B003BX64M6/ref=pd_sim _k_2
  8. 8. PARTS TDK Lambda LS25-5 5V Power supply – 25W http://www.digikey.com/productsearch/en?mpart=LS25-5&vendor=285
  9. 9. PARTS Solid State Relay (SSR) 3VDC Input Voltage 48-480VAC Output Voltage 10 Amps http://www.zorotools.com/g/00062838/kG1452622
  10. 10. PARTS 2.5mm audio jack http://www.digikey.com/productdetail/en/MJ-2506/CP-2506-ND/281261
  11. 11. THERMISTOR
  12. 12. VOLTAGE DIVIDER • Vout = Vin * R2 / (R1 + R2) • Vin = 3.3V • R2 = 100k • R1 = 100k @ room temp
  13. 13. STEINHART–HART EQUATION • 1/T = A + B ln (R) + C (ln (R))^3 • T = Temperature in Kelvin • R = Resistance • A, B, C = Constant determined experimentally
  14. 14. QUESTIONS?

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