1. First-Responder Quadcopter Module System
Eric Gendron
Itamar Aronson
Group 15

2. Introduction
“Thirty-two officers have been killed in firearms-related fatalities this year, a dramatic increase of 78 percent, compared to 18 deaths during the same period last year.”

3. Solution:

4. Objectives Video Communication Support up to Four Modules
Ability to control two modules simultaneously
Multiple control schemes

5. Block Diagram

7. Controller Power Source
Power provided through a 12V Tenergy Lipo battery pack.

8. Controller Power Source: Verifcation

9. Under Voltage Lockout Circuit (UVLO)
Battery V+
PMOS
Controller
100k
30k
220k
LM393
33.3k
2.5V
LM285BYZ
100k
2.3k

10. Under Voltage Lockout Circuit (UVLO)
Protects the Lithium Polymer battery
Cut off power when 𝑉 𝐵𝑎𝑡𝑡𝑒𝑟𝑦 < 10.0V ± 0.1V
Resume when when 𝑉 𝐵𝑎𝑡𝑡𝑒𝑟𝑦 > 11.0V ± 0.1V

11. UVLO: Voltage Transfer Characteristic

12. Voltage Regulators

13. Voltage Regulators Controller Step down Battery Voltage to 3.3V
Quadcopter
Step down to 3.3V
Camera
Step down to 4.4V
Payload Drop
Step down to 5.6V

14. Voltage Regulators: Verification

15. User Interface: Controls

16. User Interface: Controls
Buttons provide user input for:
Control Module
Control Camera
Execute Action
Module Selection

17. Transceivers

18. Transcievers Sends control signals from controller to Quadcopter
Range of 1000 feet
Delay less than 500ms

19. Transceivers: Verification
Transcievers Failed
Applied voltage not in Engineering limits
No circuit protection

20. Microcontroller Unit (MCU)
I/O should be either HIGH (5V ± 0.1V) or LOW (0V ± 0.1V)

21. Controller MCU: Design
Is used to determine which module the user wants to control.
Four Button Inputs
3-bit Binary State Output

22. Controller MCU: Verification

23. Quadcopter MCU’s: Design
Provides Control Signals To Modules
Inputs:
Three State bits (Left only)
Four Direction Controls
Outputs:
For a selected Module:
Two Servo Outputs
Two additional Direction Outputs

24. Quadcopter MCU’s: Verification I
Initialize
Legend
Both: Gray
Left: Blue
Right: Red
Check Inputs
Determine Output Module F
Is Toggle High? T F
Output Cardinal Controls
Output Servo

25. Quadcopter MCU’s: Verification II
Servo
Cardinal
Up Input
Increment Y
Up Output
Down Input
Decrement Y
Down Output
Left Input
Decrement X
Left Output
Right Input
Increment X
Right Output
Action
Outputs HIGH
Y is Vertical Servo Output
X is Horizontal Servo Output

26. User Interface: Screen
Insert pic here
Displays camera output

27. Modules Pic of payload dropper here Pic of camera here
Controlled by Servo
Output Video to Receiver
Controlled by servo Signal

28. Future Work Controller Transceivers MCU’s Casing Circuit Protection
One Quadcopter MCU

29. Questions?