Project

# Title Team Members TA Documents Sponsor
22 Smart Stick System (Triple S)
 Pranav Nair
Ritvik Manda
Shivam Patel
 Dongming Liu design_document1.pdf
final_paper1.pdf
photo1.jpg
photo2.jpg
presentation1.pptx
proposal2.pdf
video
# Smart Stick System (Triple S)

Team Members:
- Ritvik Manda (rsmanda2)
- Pranav Nair (pranavn7)
- Shivam Patel (shivamp6)

# Problem

Lacrosse players and coaches currently lack real-time, detailed performance metrics to help improve gameplay. Traditional training methods rely heavily on subjective observation, which is not very consistent. No tools such as those available for other sports like baseball, golf, soccer, etc are available to monitor and improve lacrosse form and accuracy, especially with the player alone. Since lacrosse is not a well known sport, it becomes difficult for beginners and enthusiasts to start learning the mechanics of the stick and being proficient in it.

# Solution

This project aims to address the need for a smart, data-driven tool that can measure shot speed, accuracy, and stick form, providing players with accurate and immediate feedback to enhance their training and technique. By incorporating motion tracking, the system will enable players to adjust to their game, fostering more efficient and targeted improvement. This will allow experienced players to obtain performance data and also aid beginners in strengthening their form and tactics.

As an overview, our system will include two overall subsystems: one “base” including the pcb, a microcontroller, an LCD screen, and a camera which overall exists to act as the processing unit of the system and use computer vision to analyze a player’s form. This base alone will be able to process and provide general feedback via the LCD screen or more specific feedback via an application. The second subsystem is meant to be mounted to the back end of the lacrosse stick and must be relatively small and lightweight. It will include a small microcontroller with low energy bluetooth capability as well as an accelerometer and gyroscope to transmit more detailed info about swing speed and stick angle to the base. This detailed dataset can lead to enough information to process form and more important information like how fast and what trajectory a ball would have been thrown.

# Solution Components

## Subsystem 1: LaxHub (external, box unit)

LaxHub is the main processing unit of this system and contains the custom PCB, microcontroller, LCD screen, and camera, as well as necessary functionality to talk to subsystem 2 via bluetooth. The LaxHub will need to be powered by a rechargeable battery.

- Microcontroller: ESP 32
- LCD Screen: ST7735R SPI LCD Screen
- Camera: Focus 5MP OV5647 Sensor
- Rechargeable Battery: Jameco ReliaPro Lithium Ion Polymer Battery 3.7V 500mAh Rechargeable

## Subsystem 2: LaxSense (stick unit)
LaxSense is a subsystem that mounts on the lacrosse stick, which will contain the microcontroller, accelerometer, and the gyroscope. These parts will work in conjunction to keep track of performance metrics such as shot speed, stick angle, and form. Because this is a standalone device, this will need to be powered by a small battery system.

- Microcontroller: LOLIN D1 mini (based on ESP-8266EX)
- Accelerometer + Gyroscope: MPU6050 OR WT901BLE MPU9250
- Rechargeable Battery: B0143KH9KG, 3.7V-2600mAh-9.62Wh,18650 Rechargeable Li-ion Battery Pack

## Subsystem 3: TripleS (Application)
Since the LCD display in LaxHub can’t show all metrics and history, this app will manage data display and analysis.

- React: Front-end framework for the application.
- Kinesis Data Streams: Real-time data streaming from the Smart Lacrosse Stick.
- Kinesis Data Analytics: Real-time analysis of the streamed data.
- AWS Lambda: Process data from Kinesis streams.
- DynamoDB: Store historical data for retrieval.
- AWS Amplify: For app deployment and hosting.

# Criterion For Success

1. Accuracy of Metrics: Ensure the stick unit measures shot speed and stick angle with a precision within ±5% of actual values, validated through calibration and expert comparison.

2. Real-Time Feedback: Provide performance feedback with a latency of less than 5 seconds from sensor data capture to display on the app, ensuring immediate and actionable insights.

3. Scalability: Ensure the cloud infrastructure can handle varying loads and scale automatically to accommodate increasing data and user activity without performance degradation.

Wireless IntraNetwork

Daniel Gardner, Jeeth Suresh

Wireless IntraNetwork

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There is a drastic lack of networking infrastructure in unstable or remote areas, where businesses don’t think they can reliably recoup the large initial cost of construction. Our goal is to bring the internet to these areas. We will use a network of extremely affordable (<$20, made possible by IoT technology) solar-powered nodes that communicate via Wi-Fi with one another and personal devices, donated through organizations such as OLPC, creating an intranet. Each node covers an area approximately 600-800ft in every direction with 4MB/s access and 16GB of cached data, saving valuable bandwidth. Internal communication applications will be provided, minimizing expensive and slow global internet connections. Several solutions exist, but all have failed due to costs of over $200/node or the lack of networking capability.

To connect to the internet at large, a more powerful “server” may be added. This server hooks into the network like other nodes, but contains a cellular connection to connect to the global internet. Any device on the network will be able to access the web via the server’s connection, effectively spreading the cost of a single cellular data plan (which is too expensive for individuals in rural areas). The server also contains a continually-updated several-terabyte cache of educational data and programs, such as Wikipedia and Project Gutenberg. This data gives students and educators high-speed access to resources. Working in harmony, these two components foster economic growth and education, while significantly reducing the costs of adding future infrastructure.