Mentions – Activity – Shannon Hicks

neilh20 started the topic JTAG on Mayfly in the forum Miscellaneous 3 years, 1 months ago

Has anybody seen a Mayfly freeze or got any thoughts on debugging it when frozen, or used the JTAG/Mayfly.

I’ve got an occurrence of a Mayfly frozen, and its about the 4th captured occurrence of it.
In each of the 4 cases I’ve had the FTDI connector on it, with the terminal capture program providing a time stamp, and latest is:

[2021-10-13…[Read more]

neilh20 replied to the topic How Do I Order The New Mayfly Monitor from Shop in the forum Mayfly Data Logger 3 years, 1 months ago

Always a lot of work getting a new revision out and running compatibility tests. I always admired the way
Paul Stoffregen of PRJC created a fishbowl for the releases, one I remember with the Teensy had a process of managing/advertising the release and being clear about it being in beta https://forum.pjrc.com/threads/27689-Teensy-LC-Beta-Testing

@s…[Read more]

neilh20 replied to the topic Mayfly Availability in the forum Mayfly Data Logger 3 years, 2 months ago

Hello @shicks. Just wondering if you can give any insight as to the process, when you think you might be able to tell us about what the new revision looks like, or possibly any visibility on when it might be available, and the process gates you are going through. I realize some times this is a bit like asking how long is a piece of string, and h…[Read more]

Zeke Holloman started the topic Using Xbee Cellular Modem with ThingSpeak in the forum Mayfly Data Logger 3 years, 4 months ago

Hi all! I’m working on developing a water monitoring station using a Mayfly board, an Xbee cellular modem (XBC LTE-M/NB-IoT Global), the LTEBee adapter, a solar panel, and a Hydros-21 sensor. I saw that you all had already written some Arduino code for logging to ThingSpeak, so I’m using that. I had some issues getting the modem to connect to the…[Read more]

Vinay Ayala started the topic Help Please: MaxBotix Sonar MB7386 not creating data on SD card in the forum Environmental Sensors 3 years, 4 months ago

Hello,

I finally connected to MMWS and my mayfly data logger is sending data continuously to MMWS. Thank you @Shicks for your guidance. Now I am trying to connect the MaxBotix utrasonic sensor MB 7386. I compiled the code there is internet connection but no data is logged from this sensor. When I run below code I am getting “Bad or Suspicious…[Read more]

James_NZ replied to the topic Testing TTL-RS485 Adapters in the forum Mayfly Data Logger 3 years, 6 months ago

Hi @shicks. Thank you. I was considering pogo pins. I assume you just solder them in and push the adapter board down to test? I guess I could also solder female headers into the wingshield holes and males into the adapter boards. This would allow me to test each adapter board on one rig, and I could just solder the male headers into new wing…[Read more]

fisherba replied to the topic HYDROS 21 no longer vented… any idea when this changed? in the forum Environmental Sensors 3 years, 6 months ago

@shicks have you read their current product specs? Don’t take my word for it.

James_NZ replied to the topic Hydros-21 Depth Temp Compensation in the forum Environmental Sensors 3 years, 6 months ago

Thanks @shicks, great to know. Would you recommend that I push back on them for Gen-2 sensors, even if they take a bit longer to get here? It seems silly to rush things through and end up with an inferior sensor.

James

neilh20 replied to the topic SDI-12 level shifting in the forum Environmental Sensors 3 years, 7 months ago

Hello @shicks ~ I’m just following up on this as I’m respinning my Modbus Board https://github.com/neilh10/SensorModbusMaster/blob/release1/hardware/knh002-MayflyWingShield/rev6/knh002r6_rs485schematic.pdf

to have a SDI-12 interface, and your board got me thinking .

The Mayfly socket has +5V and +3.3V and the board can have the boosted +12…[Read more]

neilh20 replied to the topic SDI-12 level shifting in the forum Environmental Sensors 3 years, 7 months ago

Hello @shicks thanks for the response. I was thinking partly of the SDI-12 specification modules driving 5V back into the 3.3V ports. The Insitu LT500 that I’ve been using does respond to Mayfly driving it on 3.3V, but then drives back SDI12 specified 5V which has to be mitigated.

Do you see any issues with the level shifter and the port…[Read more]

James_NZ replied to the topic Solar Panels for Mayfly in the forum Infrastructure and Equipment 3 years, 7 months ago

Thanks @shicks. COVID has meant that not everything is available at my end of the world, so I need to compromise sometimes!

James_NZ replied to the topic Problems with OBS3+ in the forum Environmental Sensors 3 years, 7 months ago

Hi @shicks. I need a number of turbidity sensors for an upcoming project, and I have a reasonable quote from Yosemitech (~510USD each). What additional interface hardware are you referring to for the Yosemitech probes? Has anyone tested them and can vouch for their accuracy?

James_NZ replied to the topic Bizarre eTape Sensor Behaviour in the forum Environmental Sensors 3 years, 8 months ago

Hi everyone,

Just a quick update. The 100k voltage divider worked perfectly. My new voltage water level relationship is below.

Thanks again for your help @shicks.

James
<h2 class=”user-nicename”></h2>

Matt Barney replied to the topic Testing power consumption in the forum Mayfly Data Logger 3 years, 8 months ago

@shicks The previous thread about I2C power that I’m aware of was when I learned that the jumper on the I2C grove port needs to remain in the constantly-powered position, otherwise the Wire library crashes, at least with certain sensors, including the Turner.

I *think* my Mayfly is sleeping: All LEDs switch off, if that means anything. If I…[Read more]

Matt Barney replied to the topic Testing power consumption in the forum Mayfly Data Logger 3 years, 8 months ago

@shicks Thanks for those details. I wonder whether it could be the turbidity sensor, rather than the Mayfly, that’s actually drawing power, but I wouldn’t have thought it could do that while (or if) the Mayfly is sleeping. A bit more about my circuit:

I’m powering the Turner from Mayfly’s switched 3V3. The Turner’s analog output is 0-5V, which…[Read more]

neilh20 replied to the topic Testing power consumption in the forum Mayfly Data Logger 3 years, 8 months ago

Gosh @shicks that is great to hear. I wonder would you share how you made the sleep measurements with the microSD present. Any sketches for putting the mega1284 to sleep. Getting to 0.5mA would be fantastic!

Matt Interesting real data with a coulomb counter. Great stuff.

My current measurements on 0.28.01 for sleep are 2.5mA . I haven’t got a…[Read more]

Matt Barney replied to the topic Mayfly low battery voltage readings in the forum Mayfly Data Logger 3 years, 8 months ago

Aha – I think that must be it. I retested with a new Mayfly, and its reported voltage agrees with my multimeter within 0.1V. The old Mayfly (s/n is either 180080 or 190080) was probably purchased in 2018, and has been my desktop tester, almost always under USB power, so didn’t detect any problems until now.

Thanks @shicks!!

Matt

Matt Barney replied to the topic I2C and power management in the forum Mayfly Data Logger 3 years, 9 months ago

Ah, got it! That makes total sense to me know. Thanks @shicks !

Matt

ggraves replied to the topic Atlas Scientific Logger – Sleep between readings in the forum Mayfly Data Logger 4 years ago

Thanks, @srgdamiano and @shicks! After working through the code, what seemed to work was actually placing the sensor sleep commands in my getdata() function. For whatever reason it didn’t work too well in the systemSleep function as it seemed to stall my sensors and not allow enough time to wakeup the sensors for reading. Still working on cleaning…[Read more]