Connected Secure and Wearable Electrocardiogram (ECG) Design

Connected Secure and Wearable Electrocardiogram (ECG) Design

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Microchip’s innovative design for portable and accurate ECG heart monitoring applications

The electrocardiogram or ECG machine design from Microchip Technology is used to monitor and record the electrical activity of the heart. This design features the SAML22, a high-performance, 32-bit Arm® Cortex®-M0+ microcontroller with ultra-low-power technology, the BTLC1000 Bluetooth® Low Energy (BLE) 4.1 module, the ECC508A Crypto Authentication chip, and the NeuroSky® CardioChip™ ECG biosensor. Since each heartbeat produces an electrical impulse in the heart, the generated cardiac electrical potentials can be measured with sensors placed on the body at different locations. Abnormal electrical activity can indicate conditions such as heart attack, chest trauma, reduced blood flow to the heart, arrhythmia, or heart deformities. The ECG demo measures a complex heart rate and computes other heart-related data. Patient movement is also tracked via an on-board accelerometer. The BTLC1000 BLE module on this board allows the demo to communicate with tablets, smartphones, or PCs for IoT capability.

The demand for portable and accurate ECG monitoring has grown substantially. Despite the smaller size of these portable products, ECG devices still require precision filtering, high-performance processing power, and integrated high-resolution graphics control that is separate from the main microcontroller core. As medical remote patient monitoring becomes more important, the need for wearable ECG capability has become critical. Microchip’s Connected, Wearable ECG Demonstration Board can be used in the design of advanced fitness tracking devices and can also be designed into medical wearable remote patient monitoring and diagnostic systems.

Features

  • Ideal for portable/wearable medical/fitness designs
  • Measures heart rate and computes heart rate variability, heart age, and stress using ECG data
  • Easy development of more advanced heart-healthy index functions
  • Demo can also be shown using standard ECG leads
  • BLE module is used for smartphone/tablet IoT capability
  • Low overall BOM cost due to high level of integration
  • Powered from a single AAA battery

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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