How we tackle the problem
How we tackle the problem
Embedded Files
Design Goals and Constraints
Design Goals and Constraints
Design Goals:
Automatic/Self-Regulation
Portability/Storage
Reliability/Battery Life
Speed and Accuracy
Compatibility with all Blood Products
Constraints:
Size
Weight
Time
Durability
Our Design
Our Design
Electrical Component
Electrical Component
Hardware:
Arduino Nano
12V DC vacuum pump
BMP280 Pressure Sensor
Battery pack
L298N Motor driver
Code:
Motor designed to turn off when 130 kPa is reached and turns back on when it drops lower than 127 kPa
Electrical Configuration Progression
Electrical Configuration Progression
Prototype Setup with Basic Components
Prototype Setup with Basic Components
Enhanced Circuit with Additional Wiring
Enhanced Circuit with Additional Wiring
Advanced Assembly with Modular Components
Advanced Assembly with Modular Components
Finalized Enclosure and Integrated System
Finalized Enclosure and Integrated System
Evaluation and Testing
Evaluation and Testing
Results
Results
Filled a 150ml blood bag with water and started the device. We were able to get flow rate values with units ml/min.
Flow Rate (mL/min)
Water *Blood
Trial 1: 333 Trial 1: 272
Trial 2: 300 Trial 2: 290
Trial 3: 326 Trial 3: 300
Trial 4: 300 Trial 4: 278
*Slightly viscous fluid (5% glycerol 95% water) was used to model blood
Page updated
Report abuse