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Optical Sensing Library
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Documents After installing the software by following the procedure in the evkit datasheet, I can see the COM port . However, there is no response after pressing "connect," and the MAX86140EVSYS cannot be connected. Why is that?
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  • +MAX30101ACCEVKIT#: FAQ
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  • +MAX30101DBEVKIT#_T1: FAQ
  • MAX30101EFD+: FAQ
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  • +MAX30102EFD+T: FAQ
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  • +MAX30112EWG+: FAQ
  • +MAX8521ETP+: FAQ
  • +MAX8521EWX+: FAQ
  • +MAX86140AENP+: FAQ
  • +MAX86140ENP+: FAQ
  • -MAX86140EVSYS#: FAQ
    • After installing the software by following the procedure in the evkit datasheet, I can see the COM port . However, there is no response after pressing "connect," and the MAX86140EVSYS cannot be connected. Why is that?
    • Error Message "Unable to load DLL 'PSnrACDC.dll': The specified module could not be found." while launching software
    • How does the timestamp is formatted and generated on the MAXSENSORBLE_EVKIT board for the some of the PPG sensor's Evaluation Kits?
    • How to upgrade MAXSensorBLE F/W using the MRD100HDK
    • In the MAX86140EVSYS, do you use a standard heart rate service defined by the SIG or it is a custom service with custom characteristics? and which Bluetooth version is implemented?
    • What battery is recommended for use with the MAX86140EVSYS?
    • What Bluetooth dongle is compatible with the MAX86140EVSYS?
    • Which are the available dongles required for the MAX86140EVSYS?
    • Why I can not run the MAX86140EVSYS on my Windows 7 Operating system?
    • Why is MAX86140EVSYS GUI PPG Plot Data Information not showing PSNR, PSNR Avg, AC, DC?
  • MAX86141AENP+: FAQ
  • +MAX86141AENP+T: FAQ
  • +MAX86141ENP+T: FAQ
  • +MAX86141ENP+_B1: FAQ
  • +MAX86150EFF+: FAQ
  • +MAX86150EVSYS#: FAQ
  • +MAX86170BENG+T: FAQ
  • MAX86171ENI+: FAQ
  • +MAX86171ENI+T: FAQ
  • +MAX86171EVSYS#: FAQ
  • +MAX86176ENX+T: FAQ
  • +MAX86176EVSYS#: FAQ
  • +MAX86916EFD+: FAQ
  • +MAXM86146CFU+: FAQ
  • +MAXM86146EVSYS#: FAQ
  • +MAXM86161EFD+: FAQ
  • +MAXM86161EVSYS#: FAQ

After installing the software by following the procedure in the evkit datasheet, I can see the COM port . However, there is no response after pressing "connect," and the MAX86140EVSYS cannot be connected. Why is that?

Revision Creation Date Revision Author
Current Revision 10 Feb 2026 1:03 PM MSDAPI
Revision #5 10 Feb 2026 1:03 PM MSDAPI
Revision #4 19 Dec 2023 3:08 PM MSDAPI
Revision #3 19 Dec 2023 11:03 AM MSDAPI
Revision #2 6 Dec 2023 12:53 PM MSDAPI
Revision #1 20 Jun 2018 2:55 AM MSDAPI
  • Compare Versions View current version
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