Bus Seat Sensor Network By: Jason Hady, Michael Stevens, Wyrgy Pamphile

Topics Overview Introduction Research and Planning Specifications and Parts Hardware Overview Software Overview Budget Obstacles and Challenges Conclusion

Introduction Abstract Purpose Why How Objectives

Research and Planning Patent Research Existing Car seat sensors Planning EET 419 material Ordering Parts Constructing Circuit Programming Testing

Specifications and Parts Microprocessor LEDs Shift Register Data Drivers/Decoders Operational Amplifiers Seven Segment LED display Pressure Sensors Invertors Switch Resistors

Hardware Overview Data is inputted from computer to microprocessor Microprocessor receives input from pressure sensors Pressure Sensors are amplified with voltage divider Signal is inverted Outputs data to shift register, data drivers and Seven Segment LED display Receives input from Park/Drive switch Activates empty and full LED indicators

Software Overview Block diagram of code

Budget Invoice Total Cost: $60

Obstacles and Challenges Our obstacles Ordered the wrong microprocessor Difficulties with code Wiring mishaps How we overcame them

Conclusion Review Project Experience Initial Expectations versus Final Results Future Considerations

Initial Expectations vs Final Results

Future Considerations Better Sensors Radio Receiver Weight Range