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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]

Are you referring to an EnviroDIY Monitoring Station kit which contains a Mayfly Data Logger, or is your station based on some other type of controller?  And are talking about limiting the amount of current your monitoring kit could draw from a power source, or are you talking about limiting the output current of the kit in regards to the load…[Read more]

A few of the folders in “ModularSensors_Dependencies_v.0.35.0.zip” are named with blank spaces or with longer names, if you go into any of the folders with spaces, copy the name of the .h file and rename the folder to that name, it works.

ie

Adafruit ADS1X15      rename to->   Adafruit_ADS1X15

Adafruit BME280 Library    rename to ->  Ada…[Read more]

Hi Shannon,

Thanks for the quick reply. Since we’re installing these stations right at the edge of the salt marsh/forest, I think we’ll have sufficient light to power the modem + Hydros 21.

Appreciate it,

Elliot

There’s nothing electrically wrong with having all 4 resistors populated on that board, but only one pair will be used for your sensor analog input, and the other pair will not be connected to anything and will therefore not be performing any function.

Since I am only using one C-FLOUR sensor, does having two pair of soldered resistors affect anything or should I redo the screw terminal board to only have one pair of resistors?

Thank you for the tip on needing two separate screw terminal boards because each C-FLOUR needing 2 ground terminals each.

If you only have one C-FLUOR sensor, then you only need one pair of resistors, since there’s only one analog signal from the sensor.  There ARE two ground wires, which is why I asked how many sensors you were using with this one screw terminal board.  In order to connect two Turner analog sensors to a Mayfly Logger, it’s good to use 2 separate s…[Read more]