movuino/OpenHealthBandFirmware

Inconsistent PPG signal when Pogo is connected

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Describe the bug
When the pogo is connected (with power), the PPG values are not precise, with big pics in the signal. The signal sometimes looks like a digital signal,

To Reproduce
Steps to reproduce the behavior:

  1. With the firmware uploaded to the watch, open the web bee dashboard
  2. Select the watch in the ble settings
  3. Start the acquisition
  4. Connect the pogo
  5. Watch the PPG plots

Expected behavior
The signal should not be altered when the Pogo pins are connected

Screenshots
Screenshot 2022-03-17 at 15 02 44

Desktop (please complete the following information):
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Smartphone (please complete the following information):
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Additional context