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Shannon Hicks replied to the topic MayFly Kit/Bee Adapter availability in the forum Mayfly Data Logger 4 years, 9 months ago
All the starter kits I sent to Amazon at the beginning of the month sold out within a few days of being back in stock. I’m still waiting on the shipment from the manufacturer to get all of our products back in stock on Amazon. The holidays kind of mess up the schedules. I’ll post an update whenever I have an estimate on when everything will be…[Read more]
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Shannon Hicks replied to the topic Depth measurement using MaxSonar in the forum Mayfly Data Logger 4 years, 9 months ago
We usually use the MB7389 because it has the proper filtering for looking at a single target such as water, and has TTL output, so it’s easy to read with the Mayfly. They make lots of other versions, depending on whether you want to look at snow, or people, or multiple objects at once, and with different outputs (TTL, RS232, PWM, analog, 4-20ma).…[Read more]
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Shannon Hicks posted a new activity comment 4 years, 9 months ago
The manufacturer of the turbidity sensors we usually use (Campbell Scientific) will be releasing a new version of their sensors soon, so we are working with them to make the appropriate changes needed to accommodate the new sensors. We’ll release more information when they announce that their new sensors are available.
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Shannon Hicks replied to the topic Use of Mayfly in Coastal/Brackish Waters? in the forum Mayfly Data Logger 4 years, 9 months ago
I deployed several sensor stations in a coastal estuary with brackish water in southern Delaware about 5 years ago. There’s no difference between those stations and any of the ones we put in fresh water except that we used titanium-body turbidity sensors instead of stainless steel. The other sensors were all rated for salt water use, and I used…[Read more]
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Shannon Hicks replied to the topic Innacurate LiPo battery voltage data in the forum Mayfly Data Logger 4 years, 9 months ago
Thanks for the additional information, I appreciate you helping us out with this. I’ll send you a PM about what to do next.
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Shannon Hicks replied to the topic Sleep code not working with Maxbotix 7389 in the forum Mayfly Data Logger 4 years, 9 months ago
Sara is probably the best one to comment on the code aspect of your question, but hardware-wise, you might want to try a different pair of pins for connecting the sensor. D19 is used as the status pin of the Xbee socket, and is used in all of the code examples we use for radio, wifi, and cellular telemetry. D18 is kind of reserved for being used…[Read more]
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Shannon Hicks replied to the topic Innacurate LiPo battery voltage data in the forum Mayfly Data Logger 4 years, 9 months ago
Yes, this is a known issue that I’ve seen with only a very few boards recently where we see those exact same incorrect voltage readings around the Q1 mosfet. I haven’t tried replacing parts to see whether it’s the mosfet or the D3 diode, but it’s definitely either one of those, or possibly both of them. I’ll see if I can experiment with some bad…[Read more]
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Shannon Hicks replied to the topic microSD card adapter board in the forum Mayfly Data Logger 4 years, 9 months ago
We’ve completely run out of them because of all the requests for starter kits lately, plus our own flurry of logger assembly and deployment this fall, but as soon as we get more in stock we will be listing them for sale on Amazon as a separate item by themselves.
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Shannon Hicks replied to the topic MayFly Kit/Bee Adapter availability in the forum Mayfly Data Logger 4 years, 10 months ago
Update: I shipped some kits to Amazon this evening, so they should be available again by this weekend or early next week. The LTEbee adapter boards will be a longer wait though.
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Shannon Hicks replied to the topic MayFly Kit/Bee Adapter availability in the forum Mayfly Data Logger 4 years, 10 months ago
We are temporarily sold out of both right now but will hopefully get more in stock soon, though I don’t have an estimated date for that yet.
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Shannon Hicks replied to the topic GPSbee in the forum Mayfly Data Logger 4 years, 10 months ago
Yes, there’s a quick guide to using the GPSbee listed on the Accessories page.
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Shannon Hicks replied to the topic Accumulating Precipitation Graph in the forum Monitor My Watershed 4 years, 10 months ago
I don’t think there’s an automatic way to show that in MMW, but for my rain gage loggers, I just have the Mayfly keep track of the cumulative total for the day, starting at midnight local time. And every 5 minutes, the Mayfly sends the cumulative total, and then at midnight, the Mayfly resets the total back to zero and starts again.
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Shannon Hicks replied to the topic Vertical SD card in the forum Miscellaneous 4 years, 10 months ago
This question has come up fairly frequently, most recently here: https://www.envirodiy.org/topic/minisd-card-slot/
We just haven’t had enough demand to warrant selling them separately since the majority of people buy the starter kits.
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Shannon Hicks replied to the topic miniSD card slot in the forum Mayfly Data Logger 4 years, 11 months ago
Yes, you can email me at mayfly@envirodiy.org
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Shannon Hicks posted a new activity comment 4 years, 11 months ago
We don’t provide kits or sensors since there are an unlimited number of sensors (in a variety of configurations) that people could use with a Mayfly logger. We only offer the Mayfly board, or the starter kit, and a handful of accessories that work specifically with the Mayfly. Everything else is sources from various stores and online vendors.…[Read more]
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Shannon Hicks replied to the topic CTD readings are 0.0 in the forum Mayfly Data Logger 4 years, 11 months ago
That’s what the data looks like when the CTD sensor gets disconnected from the Mayfly. The turbidity sensor is still being read, and there was no change in turbidity around the time of the data loss. So you can rule out someone stealing the sensors, or that it was damaged during a flood event, since there doesn’t seem to be an event happening.…[Read more]
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Shannon Hicks replied to the topic Sending Data Through Verizon Network in the forum Mayfly Data Logger 4 years, 11 months ago
The code we put on your loggers a few months ago needs to be replaced with the newer version because the latest updates account for the addition of Verizon as a carrier, and make a few other tweaks to the basic functions of the station we’ve made since deploying a few dozen LTE stations in the last month and examining their performance. All you…[Read more]
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Shannon Hicks replied to the topic Sending Data Through Verizon Network in the forum Mayfly Data Logger 4 years, 11 months ago
The Mayfly stations with 4G-LTE modules that we deployed for you earlier this year were all configured to only use AT&T as the provider, but since then we have tweaked the code to allow them to work with either AT&T or Verizon, whichever carrier has the strongest signal at your location. It still uses the same Hologram SIM card, it’s just a…[Read more]
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Shannon Hicks replied to the topic Voltage Threshold for Data Upload Through Cell Network in the forum Mayfly Data Logger 4 years, 11 months ago
Jake, the stations we installed for you a few months ago were programmed with code that set the low voltage threshold at 3.7, which is fine in areas with lots of sun. But since your stations are more shaded, and you’re in a higher latitude, your battery will probably hover around 3.7 most of the time, so lowering your transmission cutoff…[Read more]
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Shannon Hicks replied to the topic miniSD card slot in the forum Mayfly Data Logger 4 years, 12 months ago
It’s actually a microSD card slot, not a miniSD. And no, we don’t sell the adapter separately due to the complexity and cost of selling one small item on Amazon. I could sell a multi-pack of them on Amazon, but I’m not sure there’s much demand for that, since everyone who has previously wanted an adapter either needed only one or ended up buying…[Read more]
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Fantastic. Thanks for the response and I’m looking forward to information on their updated sensor. Let’s hope the price comes down a little bit. 🙂