1. Joe Trefilek Jeff Kubascik Paul Scheffler Matt Rockey
Team RAPTORS
Joe Trefilek Jeff Kubascik Paul Scheffler Matt Rockey

2. Project-Specific Success Criteria
An ability to wirelessly transmit and receive packet data.
An ability to relay aircraft position and orientation utilizing inertial and navigational sensors.
An ability to capture images and relay them serially to the ground station.
An ability to control the aircraft servo motors via a microcontroller interface.
An ability to amplify an RF signal to 1 watt PEP of transmission power.
12/3/2018
Team RAPTORS

3. Block Diagram
12/3/2018
Team RAPTORS

4. Primary Constraints Power Consumption Payload Weight
~90% consumed by aircraft propulsion
In-flight systems’ consumption inconsequential
Payload Weight
Balanced
Limit of 4.5 lbs
Interfacing Constraints
Simplicity
Availability of on-chip peripherals
12/3/2018
Team RAPTORS

5. Microcontroller Selection
Microchip PIC24FJ256GB106
Atmel ATmega640
Extensive development experience
Excellent debugging support
Meets peripheral requirements
64 pin TQFP 
Little previous experience
Preliminary documentation only
Meets peripheral requirements
100 pin TQFP 
12/3/2018
Team RAPTORS

6. RF Transceiver Selection
Texas Instruments CC1101
Nordic Semi nRF24L01
Date rate up to 500 kbps
Amateur band: MHz
Greater propagation distance
Must comply with Part 97 of FCC Regulations
Maximum power transmission 1W PEP (Section )
Amateur radio operator license required 
Data rate up to 2 Mbps
ISM band: 2.4GHz
Reduced propagation distance
Must comply with Part 15 of FCC Regulations
Maximum power transmission 1W broad spectrum (>75 channels)
Band congestion (Wifi, Bluetooth) 
12/3/2018
Team RAPTORS