Software
Application software & framework
TIDM-EKG-HRM
Low Power EKG & Heart Rate Monitor Reference Design, Featuring the MSP430FG439
TIDM-EKG-HRM
Overview
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.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
SLAR082.PDF (133 K)
Detailed schematic diagram for design layout and components
SLAR083.PDF (17 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
SLAC617.ZIP (1578 K)
Design file that contains information on physical board layer of design PCB
SLAC609.ZIP (65 K)
Design file that contains information on physical board layer of design PCB
Products
Includes TI products in the design and potential alternatives.
MSP430 microcontrollers
MSP430FG439 — 8 MHz MCU with 60KB Flash, 2KB SRAM, 12-bit ADC, Dual DAC, DMA, 3 OpAmp, 128 seg LCD
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| Application note | Heart-Rate and EKG Monitor Using the MSP430FG439 (Rev. B) | Mar. 09, 2018 |
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