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Khaase replied to the topic Mayfly 1.1 Bootloader Burning? in the forum Mayfly Data Logger 1 years, 11 months ago
I probed the traces to the vertical uSD socket and FTDI and determined that with the isolation capacitor and DTR, it’s not possible to update the bootloader from uSD/J7. Of course, Right there on the circuit diagram there is an ICSP port (H4), which is a set of pads for what I believe are 1.94mm pogo pins by the uSD slot. I wonder if there is a…[Read more]
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Marcia Schulmeister became a registered member 1 years, 11 months ago
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Jake Lemon replied to the topic Temperature sensor severed by rodents? in the forum Miscellaneous 1 years, 11 months ago
I’ve been using a braided sleeving to protect against critter damage. https://www.cabletiesandmore.com/rodent-resistant-braided-sleeving?pid=3697
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Dave Bressler replied to the topic Temperature sensor severed by rodents? in the forum Miscellaneous 1 years, 11 months ago
Blog by Jim Moore with the Great Marsh Institute on protecting cables from rodent chewing: https://www.envirodiy.org/protecting-mayfly-sensor-stations-from-beaver-damage/
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Sara Damiano replied to the topic wofpy Timeout in the forum Monitor My Watershed 1 years, 11 months ago
The WoFpy end-point should be usable. Can you give an example URL that you’re trying?
Are you setting up a system to regularly poll Monitor My Watershed? If this is something you plan do to automatically and frequently, please email help@monitormywatershed.org so we can talk directly with to make sure you’re using the most efficient endpoint possible.
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lbuck became a registered member 1 years, 11 months ago
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Sara Damiano replied to the topic PlatformIO Developer Setup in the forum Mayfly Data Logger 1 years, 11 months ago
Can you explain what issues you’re having?
Are you trying to use the library or to modify it? The instructions you linked are for making changes to the library itself.
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neilh20 replied to the topic Temperature sensor severed by rodents? in the forum Miscellaneous 1 years, 11 months ago
Mostly the cables we put in are armored – 3/4″ flexible and can be joined easly – something like https://www.lowes.com/pd/HydroMaxx-3-4-in-x-50-ft-Black-Flexible-PVC-Pipe/1002884464
Also seen cables chewed by squirrels .
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Ralph Rothfelder started the topic Temperature sensor severed by rodents? in the forum Miscellaneous 1 years, 11 months ago
Canandaigua Lake Chapter of Trout Unlimited installed a Mayfly unit in August this year. On October 28th our unit flatlined and no temperature dat was being reported. Upon inspection the cable to the temperature sensor was severed. The unit was in a section that was knee3 deep even though the flow on the Cohocton River is very low (37 CFS). Ha…[Read more]
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neilh20 replied to the topic Mayfly 1.1 Bootloader Burning? in the forum Mayfly Data Logger 1 years, 11 months ago
Hi @khaase I haven’t figured out what the source of the reset is, as the AVR1284 Arduino code discards it – very frustrating.
I have used low ESR capacitors – something like Digikey 732-9079-1-ND CAP ALUM 680UF 20% 10V THRU HOLE LOW ESR
Whenever I have longer wires, a power switch, or current measurement, with the LiIon battery, I get some…[Read more]
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Bilbo became a registered member 1 years, 11 months ago
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Khaase replied to the topic Mayfly 1.1 Bootloader Burning? in the forum Mayfly Data Logger 1 years, 11 months ago
That is useful, and along the lines of my thinking: moving to LiSOCL2. Though I am having trouble getting supplies to test. The internal impedance of those, especially when low or cold, is a big question. My system can use all the deep-sleep tricks, but when measuring the load spikes up to ~350 mA for fractions of a second, and I wonder if this…[Read more]
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Dave replied to the topic depth sensors for water wells in the forum Environmental Sensors 1 years, 11 months ago
Hi Karl
Have you had a look at maxbotix? Not sure if they do a 150m ranging sensor – could you mount the sensor on a rod and insert that to say 140m or is the fluctuation in level too much?
This video also presents a range of options, more on the diy side…
Dave
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neilh20 replied to the topic Mayfly 1.1 Bootloader Burning? in the forum Mayfly Data Logger 1 years, 11 months ago
Maybe of interest https://www.envirodiy.org/topic/primary-powering-in-cold-settings/
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Khaase started the topic Mayfly 1.1 Bootloader Burning? in the forum Mayfly Data Logger 1 years, 11 months ago
I haven’t seen a discussion about burning a bootloader to the Mayfly 1v1. I presume the best way to so go through J7 with my ISP.
Is there any special guidance? How is this done during assembly?
The reason I am messing with the bootloader is that I’m trying to get Mayflys to live off some big batteries for a project in a cold dark place for a…[Read more]
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Khaase became a registered member 1 years, 11 months ago
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Adolfo Lopez started the topic PlatformIO Developer Setup in the forum Mayfly Data Logger 1 years, 11 months ago
Hello all,
I’ve been trying to properly set up my platformio.ini configuration file to test some code out, but keep running into issues. I tried following the steps from the ModularSensors page but haven’t had any luck. Would someone be able to walk me through this process?
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SPY replied to the topic Serial1 of MayFly could not communicate in the forum Other Data Loggers 1 years, 11 months ago
Dear Shannon , I have already connected the GND of the Modem and GND of the Mayfly. Interfacing between Mega2560 to the Modem I have used of level converter ( 3.3V to 5 V) for TX1 and RX1 . Because the operating of the modem is 3.3 Volt and the the Mega is a 5 Volt.
The operating of the Modem was a 3.3 Volt for the RX1 and TX1 and operating the…[Read more]
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dan@wachusett replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 11 months ago
Is there any updated timeline on the RS-485 half shield production? The last update was about 6 months ago.
Thanks!
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Adolfo Lopez became a registered member 1 years, 11 months ago
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