1. EE 296 Sophomore Project Group Members: JimyLeah Castro Jeremy Chan Eric Lee Sae Yoon

2. Project Overview Facilitate remote monitoring through wireless technology, microcontroller programming, sensor interfacing, and analog to digital conversion

3. Block Diagram

4. Circuit Design

5. Pressure Sensor Subsystem Topics Sensor Attenuator Op Amp ADC / MCU

6. MPX4100A Motorola Pressure Sensor

7. Reading the Sensor Analog Digital Converter (ADC) - Reading - Calculation - Limitations

8. Analog Support Systems Attenuation Circuit

9. Analog Support Systems Unbuffered Voltage Input

11. Analog Support Systems Effective Unbuffered Voltage Divider

12. Analog Support Systems Buffered Voltage Input

13. Analog Support Systems Buffered Voltage Input ADC Perspective

14. Analog Support Systems Buffered vs Unbuffered Signal

15. Analog Support Systems Effective Buffered Voltage Divider

16. Analog Support Systems MAX232

17. Analog Support Systems Pressure Sensor Implementation

18. Zilog Z8F6421 Microcontroller Block Diagram

19. Zilog Z8F6421 Microcontroller ADC to Voltage: Multiplier Testing Block Diagram

20. Voltage Reading Accuracy

21. Design Status MXP4100A Motorolla Pressure Sensor w/ Analog Support System GPS Parallax/Sensirion SHT11 Temperature and Humidity Sensor MAXStream9 RF Modem - OEM N/A Zilog Z8 Encore! Flash Microcontroller N/A Power Supply – 3.3V, 5V,±8.5V IntegrationSoftware Driving TestedModules

22. Circuit Design Prototype

23. What Remains to be Done Complete Software Integration of Sensors Platform Construction PCB Design and Construction Data Gathering via Telemetry Further Documentation

24. Challenges Foreseen Compatibility Issues TIME

25. Project Schedule Update

26. Thank You