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#biomedical
#diy
#ecg
#engineering
#electronics
#simulation
#ltspice
#electronics
#healthtech

DIY 1-Derivation Electrocardiograph (ECG)

Developed a one-derivation ECG from scratch, involving research on biological and electronic fundamentals, simulation in LTSpice, and prototype construction.

Mar - Apr 2022

Aug - Dec 2023

Timeline

Creator

Role

Mar - Apr 2022

Timeline

Creator

Role

Summary

The project aimed to create a low-cost, easily accessible ECG device to demonstrate fundamental principles of bioelectrical signals and electronic circuit design.

Goals

Research Biological Fundamentals

Understanding the principles of electrocardiography and the heart's electrical activity.

Research Biological Fundamentals

Understanding the principles of electrocardiography and the heart's electrical activity.

Research Electronic Fundamentals

Learning about the electronic components and circuits needed for ECG signal acquisition and processing.

Research Electronic Fundamentals

Learning about the electronic components and circuits needed for ECG signal acquisition and processing.

Problem-Solution Fit

Identifying the need for a simple, affordable ECG device and how our design could meet this need.

Problem-Solution Fit

Identifying the need for a simple, affordable ECG device and how our design could meet this need.

Simulation and Design

Using LTSpice to simulate the ECG circuit and validate its functionality before physical construction.

Simulation and Design

Using LTSpice to simulate the ECG circuit and validate its functionality before physical construction.

Prototype Construction

Building the ECG device from scratch and testing its performance.

Prototype Construction

Building the ECG device from scratch and testing its performance.

ECG Demonstration

ThermoFlex Pitch Deck

Solutions

Biological and Electronic Fundamentals

Extensive research was conducted to understand both the biological aspects of ECG and the electronic principles required for circuit design. This included studying the heart's electrical signals and the components needed to capture and amplify these signals.

Biological and Electronic Fundamentals

Problem-Solution Fit

The project identified a gap in accessible, affordable ECG devices for educational purposes. The designed solution provided a cost-effective way to teach and understand ECG technology.

Problem-Solution Fit

The project identified a gap in accessible, affordable ECG devices for educational purposes. The designed solution provided a cost-effective way to teach and understand ECG technology.

LTSpice Simulation and Design

The ECG circuit was designed and simulated using LTSpice. This step was crucial to ensure the theoretical viability of the design, allowing us to make necessary adjustments before physical construction.

LTSpice Simulation and Design

Prototype Construction

The ECG device was constructed using off-the-shelf electronic components. The process involved assembling the circuit on a breadboard, testing it, and making refinements to achieve reliable ECG signal acquisition.

Prototype Construction

Responsabilities

ECG Research

Electronic Circuit Design

Circuit Simulation

ECG Building

Testing and Validation

Communication

Tools

LTspice

ESP32

C++

Google Scholar

Insights by Juan Luis

This project was a valuable learning experience in bridging theoretical knowledge with practical application. It emphasized the importance of iterative design and testing in developing functional biomedical devices.

Juan Luis

Biomedical Engineer

Conclusion

The 1-Derivation DIY ECG project successfully demonstrated the integration of biological understanding and electronic design to create a functional, low-cost ECG device. This project provided a hands-on approach to learning about bioelectrical signals and their practical applications in health technology.

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