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SENIOR PROJECT Wireless Weather Monitor Final Presentation Project Team –Dale McClure –Dave McHugh –Joe Russo

Project Results Project Schedule – On Time – On Budget – Minimal Setbacks – Team Motto

SCHEDULE

Project Components Tx Rx

RF Components Laipac Tech Inc. - Holtec Semiconductor Agent Series LP Components

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 – MHz

Tx Section with Sensor Array Temp Sensor Humidity Sensor Op-Amps 9V battery Motorola CME11E9-EVBU RF Transmitter

Tx Section with Case Enclosure RS-232 Port On-Off Switch LED Power On Indicator 50 Ohm Collapsible Antenna Ventilation Holes for air Transfer

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

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

Receiver Section –Laipac Rx #RLP – MHz –Motorola 68HC11 Microcontroller –OPTREX  LCD Screen –ACT  5x5 keypad –Power Supply – 9V Alkaline cell –Voltage Regulation – MC7805 for 5 Volt Operation Project Components

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

Rx Section RS-232 Port Keypad Driver AC/DC Variable Power Supply Motorola CME11E9-EVBU RF Receiver

Software Bugs Addressed –Serial Connection for Tx and Rx –Sensor Code Conversion –Sensor Calibrations –LCD Display –Modulation Type

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