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neilh20 replied to the topic Power usage of Mayfly1.1 with Hydros 21 cTD and LTE BEE cell modem in the forum Mayfly Data Logger 1 years, 5 months ago
@rogers1313 gosh its all depends on the software you are using – what’s the version of software and the source. Since its open source software and hardware, and you can look at the software – its possible to guestimate those answers. Then since its software that causes the most power usage, it needs testing.
For a turnkey system, assembled off…[Read more]
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Shannon Hicks replied to the topic Power usage of Mayfly1.1 with Hydros 21 cTD and LTE BEE cell modem in the forum Mayfly Data Logger 1 years, 5 months ago
Your questions are all very subjective to a variety of operating conditions, so I can only give you some broad estimates of what we’ve experienced with the 300+ stations we’ve installed and maintained.
We typically put a 4400mah Lipo battery on the Mayfly boards because on standard logger configuration, they can be charged fully by a 3.5w or 5w…[Read more]
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Shannon Hicks replied to the topic Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor in the forum Environmental Sensors 1 years, 5 months ago
You’re right, you correctly have your sensor’s signal white wire connected to the Grove cable white wire, which goes to the AA1 pin of the Aux Analog grove jack, so you can disregard my suggestion to change the ADS1115 code to adc0, and just leave those two lines as they were, using adc1.
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Braedon replied to the topic Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor in the forum Environmental Sensors 1 years, 5 months ago
Thank you for your reply! That definitely helped. I think the only thing I’m still confused on is the output channel. You mentioned that the white wire in the uppermost grove jack is connected to analog channel zero, but when I look at the board, the label next to that wire is AA1. If you could clear that up for me that would be great. Thanks for the help!
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RogerS started the topic Power usage of Mayfly1.1 with Hydros 21 cTD and LTE BEE cell modem in the forum Mayfly Data Logger 1 years, 5 months ago
We are installing a new Mayfly 1.1 data logger with the LIPO 4400mah battery, LTE Bee cell modem, and a ETFE 5W 6V solar panel, Hydros21 CTD sensor taking data at 15 minute data taking intervals.
My questions are as follows:
With this setup what is the amp hour usage of the Mayfly 1.1 datalogger using the LTE Bee cell modem and the Hydros…[Read more]
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Shannon Hicks replied to the topic Meter Group ECT Air Temp Sensor in the forum Environmental Sensors 1 years, 5 months ago
You’d have to check with Meter Group to find out what the sensor communication protocol is. There’s nothing on their website to indicate what sort of output it has.
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Joao Santos became a registered member 1 years, 5 months ago
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Shannon Hicks replied to the topic Hyrdos 21 Gen2 – Can't Change Address in the forum Environmental Sensors 1 years, 5 months ago
If you’re able to swap out a Hydros21 manufactured in 2022 with your hardware and everything works fine, but sensors from 2023 aren’t working, then it’s possible that they’ve made another design change that requires some tweaking of the ModularSensors code library to make them work correctly. We’ve had a report of one other person having trouble…[Read more]
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Shannon Hicks replied to the topic Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor in the forum Environmental Sensors 1 years, 5 months ago
First you should attach the sensor’s clear wire to the GND pin of the screw terminal board along with the black wire.
Second, the sensor needs at least 5 volts of excitation power, and the jumper setting of the Aux Analog Grove jacks in your photo is set to the default 3v position. You need to move that jumper to the 5v position. See the s…[Read more]
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Braedon started the topic Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor in the forum Environmental Sensors 1 years, 5 months ago
I am trying to get shortwave radiation readings from an Apogee pyranometer (SP-212-SS model). I am new to electronics and microcontrollers, so there could be a lot of places I am going wrong here. I am using a Mayfly version 1.1 as the data logger. To connect the sensor, I am using the Aux Analog grove terminals. I’ve attached a picture of my…[Read more]
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Jake Lemon started the topic Meter Group ECT Air Temp Sensor in the forum Environmental Sensors 1 years, 5 months ago
Has anyone used the meter group ECT air temp sensor with the mayfly? Is there code out there to support this? Comments on experience with the sensor itself? It comes with a solar shield which is nice.
https://www.metergroup.com/en/meter-environment/products/ect-air-temperature-sensor
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John replied to the topic Hyrdos 21 Gen2 – Can't Change Address in the forum Environmental Sensors 1 years, 5 months ago
Thanks, Shannon.
I did double check the things you mentioned. And as I said, this whole setup just worked when I did it with different gen 2 Hydros sensors in January. Still not having any luck.
Are there other things to try?
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Sedhead started the topic xBee Wifi module intermittently connecting in the forum Mayfly Data Logger 1 years, 5 months ago
We have a working sketch for a Maxbotix Sonar to read water level in basement sumps on our campus. The sonar is getting good readings and appears to be logging to the SD card fine. However, we are finding that we only get intermittent logging to MMW via the modem. We are using a DigiXbee wifi modem that connects to a wireless network on our…[Read more]
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Shannon Hicks replied to the topic Hyrdos 21 Gen2 – Can't Change Address in the forum Environmental Sensors 1 years, 5 months ago
Does the sensor have bare wires or a 3.5mm stereo plug? Either way, ensure that the sensor is connected properly to the Mayfly with the sensor power wire going to a 3.3v or 5v constantly powered pin during the address changing sketch. And make sure that the data wire of the sensor is connected to the proper Mayfly pin, which is usually D7 in t…[Read more]
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John started the topic Hyrdos 21 Gen2 – Can't Change Address in the forum Environmental Sensors 1 years, 5 months ago
I have some new METER Hydros 21 (gen 2) sensors and I want to hook them up to my Mayfly to calibrate them against some known standards before I deploy them. The problem is that the b_address_change sketch (https://envirodiy.github.io/Arduino-SDI-12/b_address_change_8ino-example.html#xample_b_page) can’t seem to determine what address the sensor…[Read more]
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Jake Lemon replied to the topic TSV Issue in the forum Monitor My Watershed 1 years, 5 months ago
It is working now. Thank you!
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Heather Brooks replied to the topic TSV Issue in the forum Monitor My Watershed 1 years, 5 months ago
This issue has been fixed. Please let me know if you continue to have difficulty.
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Heather Brooks replied to the topic TSV Issue in the forum Monitor My Watershed 1 years, 5 months ago
Thanks for reporting this. It appears to be related to an update of one of charting libraries. The team at LimnoTech is working on the issue.
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Jake Lemon started the topic TSV Issue in the forum Monitor My Watershed 1 years, 5 months ago
Is anyone else having issues with TSV? It’ll open but I can’t get any data to plot.
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neilh20 replied to the topic Systems not recognized from 12th( v0.15.0?) in the forum Monitor My Watershed 1 years, 5 months ago
I wonder if there has been further insight.?
It seems a real challenge to phrase how to have real world reliability. It seems to be such a hard concept to discuss and define how to get there. Its a standard Computer Engineering problem, and it typically requires a commitment to make it happen, and a reference model to test the implementation.
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