EnviroDIY | kwolfe | Activity https://www.envirodiy.org/members/kwolfe/activity/ Activity feed for kwolfe. Thu, 07 May 2026 15:32:59 -0400 https://buddypress.org/?v= en-US 30 hourly 2 3e105118d3e852c9294131e8cfa7bbc2 kwolfe replied to the topic No address detected for any sensor in the forum Mayfly Data Logger https://www.envirodiy.org/topic/no-address-detected-for-any-sensor/#post-19505 Mon, 02 Feb 2026 14:26:48 -0500 Did you get your turbidity sensor issue resolved? We are having an issue with out ClariVue turbidity sensor not being recognized by the Mayfly board. Running b_address_change.ino doesn’t find any sensors. Our Hydros 21 continues to to work. We have our 6-pin multipurpose screw terminal wired as shown in Shannon’s pic. We have the jumper set to…[Read more]

]]> 38d5ca2fe8658ab89bbb2adc650f1132 kwolfe replied to the topic Hydros21 sensors not returning data in the forum Mayfly Data Logger https://www.envirodiy.org/topic/hydros21-sensors-not-returning-data/#post-18600 Wed, 31 Jul 2024 19:41:23 -0400 Setting the channel twice did the trick.

Thanks!

]]> 8584b30607cfc02f0c85e868b4eab9a5 kwolfe replied to the topic Hydros21 sensors not returning data in the forum Mayfly Data Logger https://www.envirodiy.org/topic/hydros21-sensors-not-returning-data/#post-18594 Fri, 26 Jul 2024 20:54:18 -0400 We tried that but are still getting -9999 values.

]]> 7f9b9764e41678ae8e71fda88f5d0393 kwolfe started the topic Hydros21 sensors not returning data in the forum Mayfly Data Logger https://www.envirodiy.org/topic/hydros21-sensors-not-returning-data/ Wed, 24 Jul 2024 21:02:11 -0400 We are unable to get our Hydros 21 CTD sensor to return data. We are getting -9999 values on both the SD card and the website. All the connections are secure. The SDI-12 address is set as follows:
<div>
<div>     const char*   hydrosSDI12address = “1”;  // The SDI-12 Address of the Hydros 21</div>
<div>     const uint8_t hydrosN…[Read more]

]]> 39b40bb3453569362b51e95745d34995 kwolfe replied to the topic Get MMW data in real time? in the forum Monitor My Watershed https://www.envirodiy.org/topic/get-mmw-data-in-real-time/#post-18364 Tue, 05 Mar 2024 19:59:40 -0500 D’oh. That was the problem.

Thanks for your help.

]]> ef79b2226387383fda49cd4a9ada08f8 kwolfe replied to the topic Get MMW data in real time? in the forum Monitor My Watershed https://www.envirodiy.org/topic/get-mmw-data-in-real-time/#post-18357 Mon, 04 Mar 2024 21:54:03 -0500 Does this code still return real time sensor data? The code looks like it is working correctly on my machine but returns an empty DataFrame.

Thanks!

]]> de124fcbb41c09e611ad392207225783 kwolfe became a registered member https://www.envirodiy.org/activity/p/10122/ Mon, 04 Mar 2024 21:37:10 -0500 0