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What sensor(s) are you using with the board?  Have you reprogrammed the sketch onto the Mayfly recently, or are you using a board that was programmed last year or earlier?   Some people seems to be having issues with boards not sleeping/waking properly using the most recently SDI12 libraries, so if you’ve recently reprogrammed the board, then th…[Read more]

Update, its still only working when connected, but its only doing one reading every time I plug it in.

Here are the results with the blue spirulina that has a known phycocyanin concentration (https://www.amazon.com/dp/B08XC7KSRP?ref=ppx_yo2ov_dt_b_fed_asin_title). PPB readings are still off.

Campbell ClariVUE10 reporting intervals seems to be resolved when I went back to a library I downloaded back in Nov 2024 but kept the SRC-sensors folder from…[Read more]

Ty!

No, LiFePO4 batteries should never be used with a Mayfly board because the onboard charging circuitry is only designed to work with 3.7v Lithium Ion packs.  There’s a summary of important battery information and options here: https://www.envirodiy.org/battery-options-mayfly/

Hey Ryan,
A UCB student ran research group I founded called the Strawberry Creek Monitoring Group will be transitioning to a decentralized LoRaWan network called helium networks using mayfly boards. They will be starting work on this in the next few months. We can keep you up to date on our progress if you like! Also, we already built a alarm…[Read more]

We have been testing out the Turner C-FLUOR (PC) PHYCOCYANIN sensor and getting mixed results where we are not sure if it is the sensor, sketch, or something else.

When measuring pure di water we are getting readings of around 5 – 6 ppb in both an opaque jar and open jar with the sensor in a shade cap.

We bought blue spirulina (…[Read more]

Hello Shannon,

I am with Digi International – I wanted to check in to see if you were able to get our new XBee modules working on the Mayfly.   If you need more information, I can connect you with Tech Support or an FAE who can provide any information you need.

We’re excited to see this XBee application, and we appreciate you working with our products!

I haven’t seen any other templates besides the one you linked.  I never use them myself, I just lay them out in whatever pattern is the easiest, based on the sizes of the cable glands.  I prefer to stagger them as shown in this photo from the kit’s shop page, since that makes it easier to get your hand around the end part to tighten them.  I us…[Read more]