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Group Members
Approach
Group 2.8 – Smart Baby Monitor
James Lopez, Roberto Deanda, Jordan Walker, Burak ZeybekGregory Camuzat, NXP Sponsor
Lessons Learned
Top-Level Block Diagram
Design-Level Block Diagram
Project Outcome
• Dr. Cecil Compeau….…………………….…..….Senior Design Professor
• Lee Hinkle……………………….….…………….Senior Design Professor
• Dr. Maggie Chen…………………….………….…….…..Faculty Sponsor
• Miguel Martinez...……………….D2 Project Manager and Project Mentor
• Cesar Govea…………………………...………….…....D2 Project Mentor
• Raymond Aviles.………………………….….…….......D2 Project Mentor
• Dr. Kevin Kemp……………..……………….…...………....NXP Sponsor
• Gregory Camuzat………………………….….……………..NXP Sponsor
• Sarah Rivas……………………………………...Administrative Assistant
The Smart Baby Monitor was completed according to specifications with GSM functionality, Noise detection, and Carbon Monoxide detection.
In addition, three distinct UI menus were also created for the Smart Baby Monitor. Real time data is displayed for Carbon Monoxide, Temperature and Humidity readings.
GSM integration was developed to notify the user via SMS if any of the following three conditions are met:
• Noise above 80 db is detected two to three inches from the noise sensor.
• Carbon Monoxide detected surpasses 35 PPM.
• Temperature in the room exceeds 75 degrees Fahrenheit.
James Lopez
Project ManagerConduct meetings, status reports, liaison, Alpha & Beta Testing
Interface
Purpose
Burak ZeybekHexiwear Code, Testing, Code Debugging, Hardware Repair
•Extensive research needed to cover all bases
•Never assume libraries provided by manufacturer will work
•Never underestimate duration of action items, taking into account course loads
•Utilize all resources available
Internet of Things technologies are popular today in many
consumer products as they not only make devices more
intelligent, but also connected. Utilizing the NXP Hexiwear
IoT development kit, our project serves as a demonstration of
how an IoT device can provide piece of mind by simplifying
and integrating various safety components around the home
into one device that directly reaches the user.
Roberto DeandaHexiwear Code, Testing, Version Control
Jordan WalkerHexiwear Code, Testing, Code Debugging, Carrier Services Setup
• Noise Sensor Interface: SPI
• CO Sensor Interface : Analog
• GSM Interface: GPIO, UART, USB
0
10
20
30
40
50
60
70
80
90
100
1 2 3 4 5 6 7
CO
Level (p
pm
)
# of Attempts
CO Calibration
CO Detector CO Click
AttemptsCO Detector
(ppm)
CO Click
(ppm)
1 70 69
2 70 69
3 69 70
4 72 70
5 71 71
6 70 70
7 71 70
AttemptsCO Detector
(ppm)
CO Click
(ppm)
1 80 80
2 80 80
3 81 81
4 80 79
5 79 80
6 80 80
7 81 80
AttemptsCO
Detector
(ppm)
CO Click
(ppm)
1 53 103
2 51 22
3 52 39
4 50 48
5 52 51
6 50 52
7 51 51
• Smart Baby Monitor
Homepage
• Three haptic buttons to
navigate
• Read lines and LED
changes color as readings
exceed thresholds
• Hexiwear Docking Station
- Will provide interface between click
• Hexiwear Main Unit
- Temp. & Humidity Sensor
- OLED Screen Display
• Noise Click
- 12 Bit DAC (4096 loudness levels)
• Carbon Monoxide (CO) Click
- Carbon Monoxide level reader
• GSM Click
-Communication interface method
Noise Detection Data
Noise Detection Results
• All data was taken using a decibel meter using A-weighting.
A-weighting was used because it is the most common
weight for decibel level analysis. Based on the collected
data the noise detection click’s threshold was set to 80 dB.
The command line was used to find the 12 bit value used in
the code.
Acknowledgements
CO Calibration Data
Components
• Carbon Monoxide readings were calibrated using a FDA
approved Carbon Monoxide Detector with LCD display,
and Carbon Monoxide produced under safe conditions.
Goals of Project
▪ Noise Detection SMS Alert
▪ Carbon Monoxide Detection
SMS Alert
▪ Temperature Reading
▪ Humidity Reading
Stretch Goals of Project
▪ Android Application
▪ Video Transmission
▪ Temperature and humidity
SMS alerts