Abstract
AbstractThis study aims to design a simple and portable electrocardiograph (ECG) monitoring system. The key technologies are to develop the STM32 microcontroller and design the digital filtering of human ECG wave. At present, there is no simple sensor for direct amplification and filtering processing. Here, AD1292R preamplifier and STM32F1 series single chip microcomputer (SCM) are used in the design. And 24 bit ADC with high precision is adopted to collect ECG signals, and the filtering scheme is selected, so as to dynamically display the ECG and heart rate. Compared with other ECGs, this kind of ECG monitoring system has some advantages such as small volume and low power consumption.KeywordsECG monitoring systemDigital filtering24 bit ADCDynamic display
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