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The latest release of ModularSensors 0.27.0 has a new simple electrical conductivity sensors ~  AnalogElecConductivity.h/.cpp

Thanks to Sara for accepting it as a MS  sensor and formatting it to the latest  documentation style. See the amazing Doxygen generated  https://envirodiy.github.io/ModularSensors/group__sensor__analog__cond.html

Sara has…[Read more]

I’m sorry, I should have read that more carefully.  That program is meant to be written to an ESP, not to a Mayfly.

Anyway, you should be able to do something like this:

#include <Arduino.h>

setup(){
    Serial.begin(115200);
    Serial1.begin(115200);
    delay(200);
 
    Serial.println("Changing ESP8266 baud, if necessary);…

[Read more]

Hi Sara,
Thank you for the quick response.  I already tried the site listed and obtained the attached pile of error messages.
Stay safe,
W

<p class=”crayon-selected”>Hi James,</p>
I’ve used Atlas Scientific’s RGB sensor on lagrangian river drifters in the past. The application is written up in Limnology and Oceanography (or see this video abstract of the article). I’m attaching two simple sketches for using this sensor with the Mayfly Data Logger. The first (…AutoMode) just prints…[Read more]

Thank you for clarifying that, Sara.

I was a too vague in my second paragraph, what I should have asked for was documentation, or a code excerpt for handling the Mayfly’s POST request data as defined in DRWI_LTE.ino on the web backend. I found here a guide that seems to address this matter directly, I’ll update when I have results.

Also, if the university requires any sort of two-set log in to the network (like, on a phone where you need to click ok on an “accept the terms” page) you won’t be able to do it.

I didn’t read through this in its entirety, but here’s something to start:  https://randomnerdtutorials.com/get-change-esp32-esp8266-mac-address-arduino/

To use ModularSensors to publish to a new endpoint, the “best” way to do it would be to create a new publisher, set the format there, and push it to the library.  There is documentation on how the ModularSensors library works here:  https://envirodiy.github.io/ModularSensors/index.html

As far as posting to SQL, you can’t do that directly, at l…[Read more]

I *finally* incorporated this when adding support for an InSitu RDO PRO-X.  I started working on it and it took me a while to find where I’d talked about it before.

Thanks. I have a couple of protoshields now, as well as some 2×10 male headers, so I’ve got options to work with!

Matt

I’ve got a lot of my prototype wires and headers at SparkFun and Adafruit.  They both have pages and pages of connectors for the final product.

I have been buying a couple of each of the Mayfly add-ons when I see them in stock so I have them when I need them.  I have two mayfly proto boards and will probably just need one.  Let me know if you ge…[Read more]

Hi Matt – well been watching the output of the LC709203F with some other testing. It does work for the accurate battery voltage measurement.

However the LC709203F “%” capacity  could be challenging to use.  There is a lot of technical discussion about battery fuel gauges and what works and doesn’t.  Another device that I got was the Seeed LT…[Read more]

Interesting -thanks Neil. I may try that fuel gauge as well.

Matt

@ckillen – That is awesome, and not too spendy either.