Low Power EKG & Heart Rate Monitor Reference Design, Featuring the MSP430FG439

(ACTIVE) TIDM-EKG-HRM

Description & Features

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Description

This design details how to build a digital heart-rate monitor using a MSP430FG439 microcontroller (MCU). The heartbeat rate per minute is displayed on an LCD and generates a digital data stream via an RS232 serial port to allow EKG waveform display on a PC. The entire application runs using a CR2032 3-V lithium battery.

Features
  • Integrated AFE with external INA for low-power two-chip EKG measurement
  • Low cost PCB-based sensors
  • Integrated segmented LCD display for easy pulse readout
  • GUI application support for display of measured results via PC
  • This application report uses the MOD-EKG Pulse oximeter and Heart-Rate Monitor using the MSP430FG439 development board by OLIMEX Ltd
  • This reference design is tested and includes software, hardware design files, documentation & PC GUI.


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Schematic/Block Diagram

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Design Guide

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Source Files

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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Status

TIDM-EKG-HRM:
Low Power Heart-Rate & EKG Monitor Reference Design by Olimex

$34.00(USD)


ACTIVE

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA321  Micropower single-supply CMOS Instrumentation Amplifier  Amplifiers  Sample & Buy Not Available
MSP430FG439  16-Bit Ultra-Low-Power MCU, 60KB Flash, 2KB RAM, 12-Bit ADC, Dual DAC, DMA, 3 OPAMP, 128 Seg LCD  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA321 Download Download
MSP430FG439 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Application notes (1)
Title Abstract Type Size (KB) Date Views
Multiple Files   09 Mar 2018 300
White papers (1)
Title Abstract Type Size (KB) Date Views
PDF 690 04 Aug 2014 331
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 1578 12 Jul 2013 8
PDF 17 27 Jun 2013 11
PDF 133 27 Jun 2013 39
ZIP 65 27 Jun 2013 3
Related Tools & Software

Software (1)



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