CardioTag

2012

CardioTag is a portable Electrocardiogram (ECG) device that records cardiac signals and wirelessly transmits them to a mobile app for real-time monitoring. The system uses a TI MSP430 microprocessor with an analog front-end module to capture ECG data from patient leads, stores readings on an SD card, and connects via Bluetooth to a companion mobile app for data review and device configuration. The device also functions in standalone mode through integrated controls.

Built by a 4-person team (Lebentek) during my Computer Engineering degree. I owned the Bluetooth module logic and programming, implemented the physical button interface and LED control logic, contributed to the hardware architecture design, created all renders, mockups, iconography and diagrams, and supported testing across the system.

Team: Luis Torres (PM), Juan Gomez, Andres Cordero, and myself.

This was the first concept model rendered in 3D to test out the general shape, size and UI layout of the unit. To reduce the size of the physical unit to this model would require a PCB unit with all components integrated to it.

Another view of the first concept model.

A second iteration concept model taking into account the feedback of the professors regarding UI and functionality, as well as making it more aesthetically pleasing.

Icon logo for the CardioTag mobile application.

Concept art for the mobile app UI main menu page.

Concept art for the mobile app UI SD/data storage page.

Concept art for the mobile app UI graph page to see the live and stored ECG signal.

Unit in the process of integration and wiring for testing. One board hosted all components and another hosted the processor.

Final physical unit in its case. Due to time constraints, it was not possible to manufacture a PCB to integrate all components. We had to settle on an off-the-shelf box to guard all components.

Screenshot of the CardioTag mobile app capturing live ECG data from the CardioTag device via Bluetooth.

Infograph on the CardioTag system and its components.

Flowchart schematic of the device component details, interfaces and wiring.

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CardioTag

2012

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