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    ECG Module impressions. Useless device

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    • KabronK
      Kabron
      last edited by Kabron

      I already wrote about poor documentation(
      https://community.m5stack.com/topic/2482/ecg-module-code)
      Now, I tested acquisition speed of the device.
      Maximum data rate(DisplayECG() - OFF, delay(5) - OFF) is 66Hz.
      And it could not be increased without changing onboard STM32 FW.
      This uC acts as BLACK BOX. No description, no source code.
      DisplayECG() - ON, delay(5) - OFF - 45Hz
      Any serious ECG measurements started with data rate at least 250Hz.

      Initially, I planned to use it with IR pulse sensor for Blood Pressure estimation. Obviously, with 15 mS accuracy it is impossible.

      Make your own conclusions

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