EE 296 Sophomore Project

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• EE 296 Sophomore Project
• Group Members
• JimyLeah Castro
• Jeremy Chan
• Eric Lee
• Sae Yoon

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Project Overview

• Facilitate remote monitoring through wireless
  technology, microcontroller programming, sensor
  interfacing, and analog to digital conversion

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Block Diagram
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Circuit Design
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Pressure Sensor SubsystemTopics

• Sensor
• Attenuator
• Op Amp
• ADC / MCU

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MPX4100A Motorola Pressure Sensor
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Reading the Sensor

• Analog Digital Converter (ADC)
• - Reading
• - Calculation
• - Limitations

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Analog Support Systems Attenuation Circuit
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Analog Support SystemsUnbuffered Voltage Input
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Analog Support SystemsUnbuffered Voltage Input
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Analog Support SystemsEffective Unbuffered
Voltage Divider
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Analog Support SystemsBuffered Voltage Input
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Analog Support SystemsBuffered Voltage InputADC
Perspective
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Analog Support SystemsBuffered vs Unbuffered
Signal
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Analog Support SystemsEffective Buffered Voltage
Divider
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Analog Support Systems MAX232
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Analog Support SystemsPressure Sensor
Implementation
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Zilog Z8F6421 Microcontroller

• Block Diagram

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Zilog Z8F6421 MicrocontrollerADC to Voltage
Multiplier Testing

• Block Diagram

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Voltage Reading Accuracy
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Design Status
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Circuit Design Prototype
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What Remains to be Done

• Complete Software Integration of Sensors
• Platform Construction
• PCB Design and Construction
• Data Gathering via Telemetry
• Further Documentation

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Challenges Foreseen

• Compatibility Issues
• TIME

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Project Schedule Update
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Thank You