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Reply To: Hydros 21 CTD – Losing connection? [SOLVED]

Home Forums Environmental Sensors Hydros 21 CTD – Losing connection? [SOLVED] Reply To: Hydros 21 CTD – Losing connection? [SOLVED]

#15586
James_NZ
Participant

I have switched my pin for the HYDROS 21 CTD from D7 to D11, but I seem to be having the same issue.  It’s worth noting that I don’t get -9999 values when plugged into my computer.  Could it have something to do with power?

My code is below.