SENIOR PROJECT

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Imagine
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SENIOR PROJECTWireless Weather MonitorFinal
Presentation

• Project Team
• Dale McClure
• Dave McHugh
• Joe Russo

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Project Results

• Project Schedule
• On Time
• On Budget
• Minimal Setbacks
• Team Motto

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SCHEDULE
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Project Components


Rx
Tx
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RF Components

• Laipac Tech Inc. - Holtec Semiconductor Agent
• Series LP 434_at_433.92MHz Components

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Project Components

• Transmitter Section
• Temperature Sensor National Semi LM34
• Humidity Sensor Honeywell 3610
• Motorola 68HC11 Microcontroller
• Power Supply 9V Alkaline cell
• Voltage Regulation MC7805 for 5 Volt Operation
• Laipac Tx TLP 434 _at_ 433.92 MHz

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Tx Section with Sensor Array
9V battery
Temp Sensor
Humidity Sensor
RF Transmitter
Op-Amps
Motorola CME11E9-EVBU
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Tx Section with Case Enclosure
RS-232 Port
LED Power On Indicator
On-Off Switch
50 Ohm Collapsible Antenna
Ventilation Holes for air Transfer
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Humidity Sensor

• Honeywell 3610 Humidity sensor
• Linear output voltage vs RH
• Given a 5v supply Voltage output is 0.8 3.9
  volts
• Motorola MC3303 single supply op-amps

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Temperature Sensor

• National Semiconductors LM34 Temperature sensor
• Linear 10.0 mV/F scale factor
• Rated for full -50 to 300F range
• Motorola MC3303 single supply op-amps

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Project Components

• Receiver Section
• Laipac Rx RLP 434_at_433.92 MHz
• Motorola 68HC11 Microcontroller
• OPTREX? LCD Screen
• ACT? 5x5 keypad
• Power Supply 9V Alkaline cell
• Voltage Regulation MC7805
  for 5 Volt Operation

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Rx Section
On-Off Switch
LED Power On Indicator
LCD display for Sensor Outputs
Keypad for choosing Sensor information and Future
Options
Shock Resistant Enclosure
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Rx Section
Motorola CME11E9-EVBU
RS-232 Port
AC/DC Variable Power Supply
Keypad Driver
RF Receiver
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• Software Bugs Addressed
• Serial Connection for Tx and Rx
• Sensor Code Conversion
• Sensor Calibrations
• LCD Display
• Modulation Type

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The Wireless Weather Monitor is Assembled in
State of the Art Facilities by Highly Trained
Personnel