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Smart Clamp

CruzHacks 2023

Adrien, Corey, Xander, Nate

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Smart Clamp

  • Olympic Barbell Collar
  • Automatically logs reps and sets to website
  • Tracks time under tension
  • Rest time

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High Level Design

AWS

Express

(AWS EC2)

MySQL

(AWS RDS)

ReactJS

(AWS S3 & GitHub Actions)

RPI Pico W

(Microcontroller)

MPU6050

(IMU)

1 Cell LiPo

(Battery)

Olympic Barbell

Buttons

OLED Screen

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Implementation

Buttons

MPU6050

OLED Screen

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Full Setup

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Web

Frontend hosted on AWS S3

Backend hosted on AWS EC2

CICD using GitHub Actions

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Frontend

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Backend

/workouts

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Demo

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Hardware Pinouts

OLED

Power: pin 36

GND: pin 38

I2C0 GPIO SDA: 8

I2C0 GPIO SCL: 9

IMU

Power: pin 36

GND: pin 38

I2C0 GPIO SDA: 4

I2C0 GPIO SCL: 5

Battery

Power (VSYS): pin 39

GND: pin 38

Buttons

Power: pin 36

GND: pin 38

Digital: 4

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Endpoints

GET POST /workouts

GET /workouts?username=x&exercise=x&created_at=x

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Hardware List

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