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Enhancing Arduino-Based Sensor Systems for Data Logging and Camera Control

This project, mentored by Dr. Tom Sharp, explores the integration of sensors with an Arduino microcontroller for effective data logging and camera control. Utilizing a multiplexer, we expanded the analog input capability to 13 channels. The system includes a variety of sensors such as humidity, gas, temperature, and a Geiger counter, alongside programmable cameras that capture still images and video clips. Post-launch, we encountered challenges with power supply stability and camera reliability. Our findings emphasize the need for better camera systems, improved power redundancy, and potential future enhancements.

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Enhancing Arduino-Based Sensor Systems for Data Logging and Camera Control

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Presentation Transcript

  1. Sam Dodge Mentored by Dr. Tom Sharp Electronics System

  2. Arduino Microcontroller • Programmable in C • 6 Analog Inputs/Outputs, 15 Digital Inputs/Outputs • A multiplexer was used to extend the number of analog pins to 13 • Records time

  3. OpenLog Data Logger • Connects to arduino serial pins • Writes to a standard text file

  4. Sensors • Humidity Sensors • 2 Gas Sensors • 3 Axis Accelerometer • Pressure Sensor • 2 Temperature Sensors • Geiger Counter

  5. Camera Control • Still camera takes a picture every 8 seconds • Video camera takes 10 minute video clips to prevent from turning off • Both are controlled by digital pins

  6. Post Launch Data Processing • File from data logger can be imported into excel for analysis • MATLAB was also used to analyze the results

  7. What went wrong?

  8. Problems • Battery enclosure on camera • Voltage Regulator • Low batteries • Arduino physical reset switch • Voltage on arduino pins controlling digital sensors

  9. How can we fix it?

  10. Circuit Board Etching • Less dependant on wire connections • A more reliable design would use one board rather than two • Can’t be easily changed

  11. Better Cameras • Video Camera • Still Camera • Some cameras can be hacked to take pictures by themselves at a set time interval • With better cameras, they can be isolated from the rest of the system

  12. Other • Better Testing • Redundant Power Systems • Is redundancy worth the extra weight? • Complexity vs Reliability

  13. Future Additions • Photodiodes • More reliable sensors • Different sensors • Working Video Camera

  14. Thank You

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