WildStamm Device Overview Pat Maloney Zack Bowen Brian Hermano Ken Ragen Vance Feavel

Design Specifications Measure soil temperature down to 10cm (0-10cm, 1 cm increments) Measure soil temperature down to 10cm (0-10cm, 1 cm increments) Store data for up to 5 days Store data for up to 5 days Easily deployable Easily deployable Inexpensive Inexpensive Rugged Rugged

Current Device Setup Mechanical Features (Prototype) Mechanical Features (Prototype) Aluminum Body- Stainless to be used for Final Design Aluminum Body- Stainless to be used for Final Design Retractable Thermocouples Retractable Thermocouples 2 piece setup 2 piece setup Main body (Thermocouples) Main body (Thermocouples) Electronics & Insulation Electronics & Insulation Deployed via Soil Auger 4” Diameter Deployed via Soil Auger 4” Diameter

Main Device Detachable top handle Main Body Thermocouples Gear Housing Electronics Batteries Insulation Overall length 12’’ 4’’ Diameter

Gearing Central driven shaft transfers rotational motion to linear through a Spur/Internal Gear setup

Top Device Thermocouples extend into soil 1.5” Thermocouples extend into soil 1.5”

Electronics Housing

Current Schedule Outlook Feb 27-Mar 5Finalize/Approve shop drawings Feb 27-Mar 5Finalize/Approve shop drawings Mar 6- Mar 12Start Machining Mar 6- Mar 12Start Machining Mar 13- Mar 19Spring Break Mar 13- Mar 19Spring Break Mar 20- Mar 26 Finish Machining-Start Testing Mar 20- Mar 26 Finish Machining-Start Testing Mar 27- Apr 23Testing Mar 27- Apr 23Testing Apr 24- Apr 28Expo Preparation Apr 24- Apr 28Expo Preparation Apr 29Engr. Expo Apr 29Engr. Expo

EE Progress Report Completed schematic Completed schematic Circuit prototype 100% complete Circuit prototype 100% complete Circuit board design and layout 60% complete Circuit board design and layout 60% complete Microcontroller programming 60% complete Microcontroller programming 60% complete

EE Timeline Feb 27 - Mar 5Programming Setup Feb 27 - Mar 5Programming Setup Mar 6 - Mar 12Programming and Testing Mar 6 - Mar 12Programming and Testing Mar 13 - Mar 19Spring Break Mar 13 - Mar 19Spring Break Mar 20 - Apr 2Programming/Board Design Mar 20 - Apr 2Programming/Board Design Apr 3 - Apr 23Construction/Testing Apr 3 - Apr 23Construction/Testing Apr 24- Apr 28Expo Preparation Apr 24- Apr 28Expo Preparation Apr 29Engr. Expo Apr 29Engr. Expo

Cost Estimates Mechanical Mechanical Thermal couples $78.00 Thermal couples $78.00 Insulating materials>$30.00 Insulating materials>$30.00 Thermal couple$30.00 Thermal couple$30.00Tubes Aluminum$60.00 Aluminum$60.00 Gears total $50.00 Gears total $50.00  Total:$248 Electrical (per unit) Electrical (per unit) Microcontroller $7.00 Memory$5.00 A/D TC Interface$7.00 MUX Chips$4.00 Batteries$5.00 Circuit Board$20.00 Total:$48.00 Total:$48.00 Per Unit Total: $296