All content on EnviroDIY is licensed as Creative Commons Attribution-ShareAlike 4.0. Hardware designs on EnviroDIY are released under the CERN Open Hardware License 1.2. Alternative licenses are available. Learn more
Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water. New to EnviroDIY? Start here
Community Activity See all activity
Faith E became a registered member 5 months, 3 weeks ago
Faith E
@fechiejile
Sara Damiano replied to the topic Hydros 21 and Serial Comms in the forum Mayfly Data Logger 5 months, 3 weeks ago
I know nothing about rosserial. Are you using Hardware Serial with it? Serial or Serial1? Are you using some type of software serial (SoftwareSerial, AltSoftSerial, NeoSWSerial)? Very quickly skimming the rosserial docs and code, it looks like it has some specific boards that are supported and the 1284p in the Mayfly may not be 100%…[Read more]
rhouck replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 5 months, 3 weeks ago
Hello, my senior project team at Lake Superior State University is using the Mayfly board with the Hydros 21 CTD sensor.
We are using the ModularSensors library and we’re wondering if there is a power cycle taking place that could affect any serial communication. There are no issues with communication or connection when sending data from the…[Read more]
rhouck became a registered member 5 months, 3 weeks ago
rhouck
@rhouck
Shannon Hicks replied to the topic AM2315C Compatibility in the forum Monitor My Watershed 5 months, 3 weeks ago
I’m not familiar with the new C model, but I did use the older, now-discontinued one awhile back. Without digging into the manual and the library too deep, I’m guessing it might be an I2C address issue? The old model used 0xB8 whereas the new one uses 0x38. So go into the ModularSensors/src/sensors folder and edit AOSongAM2315.cpp, find line 34…[Read more]
BrianJastram started the topic AM2315C Compatibility in the forum Monitor My Watershed 5 months, 3 weeks ago
EnviroDIY Modular Sensors has the AOSongAM2315 but not the new AM2315C. I have the AM2315C. Is there a way for me to integrate the newer AM2315C sensor into my Mayfly project? I have the wiring ready. I have successfully tested the sensor and received good values using an example program so I know the sensor works but when I use the AOSongAM2315.h…[Read more]
MMP replied to the topic Could not wake modem for clock sync. in the forum Mayfly Data Logger 5 months, 4 weeks ago
Hi!
I was hoping to piggyback on this thread since I am having a similar problem with the clock sync and LTE connection. I am also working with a 1.1 Mayfly model with LTE Bee, hologram, and a Hydros 21 CTD sensor.
So far I have tried several locations with full LTE coverage through AT&T, reprogramming the Mayfly to make sure all changes…[Read more]
Braedon replied to the topic Controlling 12-volt heaters with a power relay in the forum Infrastructure and Equipment 5 months, 4 weeks ago
This looks like a great option. Thanks Shannon for your help!
Shannon Hicks replied to the topic Controlling 12-volt heaters with a power relay in the forum Infrastructure and Equipment 6 months ago
That’s not much current, so most relay boards should be able to handle that with no problem. I think that latching Grove board (https://www.seeedstudio.com/Grove-2-Coil-Latching-Relay.html) would probably work good for your situation so your Mayfly board could activate the relay 15 minutes before you want to sample, and then go back to sleep and…[Read more]
Braedon replied to the topic Controlling 12-volt heaters with a power relay in the forum Infrastructure and Equipment 6 months ago
I have four sensors with heaters, and combined they draw 61.6 mA.