EnviroDIY | Bibhuti Bikramaditya | Mentions https://www.envirodiy.org/members/bibhutibikramaditya/activity/mentions/ Activity feed mentioning Bibhuti Bikramaditya. Thu, 21 May 2026 21:57:33 -0400 https://buddypress.org/?v= en-US 30 hourly 2 e1c222d9afef550f8e604b6e6c0b2174 Sara Damiano replied to the topic Hydros 21/Decagon CTD: reading error in the forum Environmental Sensors https://www.envirodiy.org/topic/hydros-21-decagon-ctd-reading-error/#post-18301 Mon, 22 Jan 2024 20:30:47 -0500 @bibhutibikramaditya Exactly what output are you getting?  You’re not asking for data in your script, so you should only be getting a response like “00013” not any data values.

Suggestions:

  • Confirm that the data pin of the Hydros 21 sensor is plugged into the correct pin (2)
  • Confirm the sensor has power
  • Confirm that you’re serial port…

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