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Hindenburg’s Heroes

Explore the design and functions of the Wireless Sensing Blimp Module, led by Mike Sarnovsky and Mike LaBrie. This module features essential components including digital compass, temperature sensors, and wireless transceivers, enabling real-time data transmission. The system operates with Microchip PIC MCUs for efficient control. Key functionalities include A/D conversions, temperature measurements, and sound detection capabilities using FM radio technology. Integration with a Visual Basic user interface is in progress. This document outlines the complete block diagram and operational overview for effective understanding and implementation.

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Hindenburg’s Heroes

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  1. Hindenburg’s Heroes EE 682 Wireless Sensing Blimp Module Team Lead – Mike Sarnovsky Co Lead – Mike LaBrie Andy Freisthler Vince Li Brant Niggemyer Tom Yantek

  2. Block Diagram & Functional Overview HH Digital Compass Proximity Sensor Microphone MCU Wireless Transceiver Temperature Sensor FM Radio Transmitter Digital Camera Servo Motors Sound Detected FM Radio Card Wireless Transceiver Sound Card NW 72 ° No Alerts No Video MCU Video Card Blimp RC Serial 1

  3. Blimp Controller MCU Microchip PIC 16F874 R/C pulse width modulation Receives via USART MCU • Blimp On-Board MCU • Microchip PIC 16F877 • SPI Slave interface • A/D 8 bit, 1 channel with temperature sensor • USART Comm. with Abacom transmitter • Internal error checking • Calibration with compass

  4. Digital Compass – Vector 2x SPI output (Master Model) 16 bits BCD output Weight: 0.4 ounces Power: 5V @ 6.0 mA Temperature Sensor – National Semiconductor LM34 Analog output Linear +10.0 mV/°F scale factor .5 ºF accuracy at room temperature and -50° to +300°F range Power: 5V @ 90 μA Sensors

  5. Wireless Communications Transmitter – Abacom TXM 4xx-F • Up to 20k bps • Available in 418MHz, 433.92MHz and 403MHz • Power: 2.7 to 5 V • Up to 500ft range Receiver – Abacom SILRX 4xx-F • Up to 20k bps • Available in 418MHz, 433.92MHz and 403MHz • Power: 2.7 to 5 V • Up to 500ft range

  6. Beta User Interface – Visual Basic

  7. Breakdown of Tasks by Matrix Management L = Lead A = Assistant

  8. Progress / Future Tasks • Audio Components ordered • Direct X 7/8 for audio stream connection to Visual Basic • Integration will follow • Proximity Sensor needed • Video?

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