1. Imagine

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

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

4. SCHEDULE

5. Project Components Tx Rx

6. RF Components Laipac Tech Inc. - Holtec Semiconductor Agent Series LP 434@433.92MHz Components

7. 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 @ 433.92 MHz

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

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

10. 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

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

13. Receiver Section –Laipac Rx #RLP – 434@433.92 MHz –Motorola 68HC11 Microcontroller –OPTREX  LCD Screen –ACT  5x5 keypad –Power Supply – 9V Alkaline cell –Voltage Regulation – MC7805 for 5 Volt Operation Project Components

14. 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

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

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

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