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Operant Conditioning Chamber F09-23-RATMAZES Members Paul Stofko, EE (PM) Tyler Ferro, ECE Adam Watkins, CpE Dominic DiGregor, CpE Andy Thouvenot, ME David Coats, ME Client Dr. Eric Jacobs FTA Dr. Nazieh Botros

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Outline Executive Summary (AW) Detailed Project Description Overall Subsystem Descriptions (TF) Subsystem Descriptions Summary (PS) Acknowledgements (DC)

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Executive Summary Main Goals Durability Modularity Automation Built for the Department of Psychology Can be implemented in 14 weeks Recommended solution costs $5991.80

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Overall Description Operant chamber (Skinner box) Token Exchange

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Options Studied Upgrade current chamber or fresh start Chose to start fresh and design entire chamber FPGA, Data Acquisition Card or Single Board Computer Chose Single Board Computer USB, Ethernet, or Wireless Chose USB

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Subsystem Functional Descriptions

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Subsystem Description Soundproof box Prevents majority of distractions to experiment Mostly made of wood and soundproofing Has multiple features Drawer Viewing hole Vetilation fan

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Subsystem Description Sound Attenuation To be filled later Air Flow 80.78 CFM Drawer max load 100lb

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Control Box Breaker Box Plug System Control Switch Box

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Power Distribution 300W Power Supply Power Rails

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Libraries Plug LED Lever Marble Dispenser Schedule CSV Clock

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Arduino Located in the control box Also used OpenLog and Real-Time- Clock modules Controls modules Timestamps events in a.csv (comma separated value file)

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Initial Experiment Based on Decision Diagram 4 main stages Token Production Exchange Production Token Exchange Food Production

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Subsystem Description Chamber Dimensions: 220 x 250 x 250 mm Material: Steel and Stainless Steel Modular: 27 interchangeable blade locations

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Subsystem Description Marble Dispenser Marble Size: Steel Ball Bearing Components: aluminum cylinder push/pull actuator PVC Piping System Capacity: 200+ marble hopper

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Subsystem Description Marble Receptacle Size: 1 diameter hole Sensor: switch sensor Materials: PVC

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Subsystem Description Lever extension 10g activation LED Tricolor LED Speaker 20Hz-20kHz

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Subsystem Description House Light White LED Cluster Milk Scoop Solenoid .1 cc

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Module Electronics 3.3V LED Power 5V Logic Chips Power/Relay Switching 12V Actuator D[0] D[1] LED Control D[2] Levers/Sensors D[3] Actuator Toggle D[4] Actuator Enable

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Indirect Control Purpose Description Examples: LED Circuit Relay Speaker MOSFET Controller Decoder LED Controller Relay(s) 12V Actuator

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Summary Purpose Function Results

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Acknowledgements Dr. Jacobs Dr. Botros Course Instructors Dr. Pourboghrat Dr. Sczary Gladys Hounsinou Tim Attig Student Center Craft Shop and Wood Shop

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