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Braedon replied to the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
Great idea! Thanks @shicks!
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neilh20 replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 1 months ago
Many thanks got it. I appreciate the effort and detail that goes into producing a new production run. The pogo pin connector is great and so simple.
Got the .pdf – I copied the .jpg instead of more intelligently clicking it to get the .pdf!
Just wondering if you have any thoughts on changing the Vbat Rs to 1M / 270K for better noise i…[Read more]
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Shannon Hicks replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 1 months ago
The only differences between the v1.1 revA and revB are this:
The ICSP jack was a 2×3, 0.5″ pitch male pin header on Mayfly v1.1 revA.
The ICSP jack is now uses Tag-Connect pads for use with Pogo pins for ICSP programming for the Mayfly v1.1 revB.And with the revA boards, there was a circuit design change after manufacturing that required me to…[Read more]
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Shannon Hicks replied to the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
If you’ve got 4 heated sensors that require constant 12 volts, then I don’t think the Mayfly and the standard “battery/solar panel combo” is going to be sufficient. It would be a struggle for the Mayfly to supply the necessary continuous 100ma at 12v for the heaters, in addition to powering the various sensors intermittently. You could have a s…[Read more]
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neilh20 replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 1 months ago
Hi @shicks, just received two Mayfly 1.1 and noticed they are rev1.1B – just wondering what the differences are from rev1.1A? 🙂
I did pull the circuit diagram from https://www.envirodiy.org/mayfly/hardware/ however the resolution is so low, its not all readable. Just wondering if there is a pdf version. 🙂
I also checked…[Read more]
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Braedon replied to the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
I’ve attached the specs sheet to this reply. Maybe you can help me interpret it. The following is what I was told from Apogee when I asked about the heaters:
“Regarding the <span class=”markjqg79ytz9″ data-markjs=”true” data-ogac=”” data-ogab=”” data-ogsc=”black” data-ogsb=”rgb(255, 241, 0)”>heater</span>s, you do not need to operate them all the…[Read more]
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Shannon Hicks replied to the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
Sensors with heaters are another big challenge, especially if they run continuously. Are the heaters powered all the time, or only when taking a sample? Do they require 12v to operate, or was that spec just listing the power draw at 12v?
You can do some basic battery life calculations on this handy website: https://oregonembedded.com/batterycalc.htm
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Braedon replied to the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
Awesome. The XBee module is an RF module, the XBee Pro S3B. I just remembered, while the apogee sensors I am using don’t require power to make measurements, they do require power for the internal heater. The pyrgeometer heaters, according to the datasheet, draw 15.4 mA and 185 mW at 12 VDC. The pyranometers draw 30.8 mA and 370s mW at 12 VDC. In…[Read more]
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Shannon Hicks replied to the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
Standard practice is that when the Mayfly board goes to sleep in between measurements, it turns off all power supplied to the sensors and radio module. So the power consumed when sleeping is just the bare minimum to keep the Mayfly in sleep mode, which is usually a little less than 1 milliamp. There are ways to make it use even less in sleep m…[Read more]
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Shannon Hicks replied to the topic Widespread cellular network outage today in the forum Monitor My Watershed 1 years, 1 months ago
It appears that the Hologram service interruption has been fixed and almost all of the cellular stations on Monitor My Watershed have returned to normal operation. If any stations don’t rejoin the network by later today, it might require a field visit to cycle the power or possibly replace the battery.
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Braedon started the topic How to determine battery and power supply in the forum Mayfly Data Logger 1 years, 1 months ago
Hi everyone, I’m wondering what is the best way to determine how much power I need to supply to run my Mayfly and the sensors attached, and how I properly size batteries and solar panels. The sensors I have attached that require power are 3 Meter Teros 12 sensors and 1 MaxBotix sonar sensor.
For the Meter sensors, the datasheet says that the…[Read more]
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Shannon Hicks started the topic Widespread cellular network outage today in the forum Monitor My Watershed 1 years, 1 months ago
There is currently an issue with the Hologram cellular network that is used with most of the EnviroDIY stations with cellular modules. The network problem is preventing all Mayfly logger stations with Hologram SIM cards from being able to send data to the Monitor My Watershed data portal. Hologram is aware of the issue and apparently has fixed t…[Read more]
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Braedon replied to the topic Using Modular Sensors for METER Teros 12 in the forum Environmental Sensors 1 years, 1 months ago
@srgdamiano Sorry to bother you on this, but I still need help understanding the issues I’ve had with the Teros library.
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Sedhead replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
I think that the directory structure could be the culprit. The way that I have been able to reliably get this work is the following:
- Create a new Platformio project.
- Create an identically-named folder in that project in which to put my code.
- Create an identically-named .ino file in that folder for the sketch I need to upload.
- Use the…
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neilh20 replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
It seems to me its a working practice’s issue, repeatability and traceability- not a programming issue. From a distance, seems like you should be able to see the code in the directory that you are building – however you do have a unique directory structure, and if opening HicksonDeployments.code-workspace – maybe its mispointed. I open…[Read more]
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Sedhead replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
I think I agree with you about the complexity of deploying multiple sensor packages, each with different UUIDs. However, I don’t think that is what’s screwing me up here. As of now, I simply can’t get my sketches to reliably upload to the boards. I honestly don’t think that the compile and upload process is even getting to a place in my code where…[Read more]
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neilh20 replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
Well you are now into working deployment practice’s, beyond programming,
So how about simplifying (I think you’re process is getting complicated . IHMO all the guideline haven’t identified what happens when you actually have a successful program to deploy .)
Seems the question is for a successful working Mayfly logger program ….. and how t…[Read more]
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Sedhead replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
Alright, I have no idea if this will help or not, but I think it’s important that I get this down for completeness.
- If I open the public repo that I shared above in VSC from Github Desktop, then copy the sketch into it that I need to load, it seems to compile and upload. So, as of right now, I have my sketches loaded onto my boards and they…
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neilh20 replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
Hey glad to have helped!!. Whew.!
Its a challenge sometime to figure out what the foundations are and build off them. I’ve had to do that before, start with a known should be working, and then slowly add to it to find out what came adrift. I often use Meld Merge to compare the base directories separately from PIO. There is a gitkraken plug…[Read more]
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Sedhead replied to the topic Mayfly sketch compiles, seems to upload, but doesn't in the forum Mayfly Data Logger 1 years, 2 months ago
I may have found the problem, thanks to you. I had to create a new repo in order to share my code with you. When I open that new repo in VSC from Github desktop it compiles as you’ve described. I was starting to have a hunch that the problem was that I had branched from main to add some additional functionality and I thought that I could just…[Read more]
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