James P

James P replied to the topic Monitoring power consumption in the forum Mayfly Data Logger 12 hours, 45 minutes ago

Hi thanks for responding. I’m sure our system is undersized for our location. Today was a pure sunny day, last week we installed an extension pole and cable so the solar is up plenty high to get direct sun. But today we got no readings sent via cellular.

Our battery is a LiPO 4400mAH 3.7V.

The solar panel is a 1W 6V
Open Circuit Voltage:…[Read more]

James P replied to the topic Monitoring power consumption in the forum Mayfly Data Logger 2 days, 17 hours ago

We have the standard Mayfly kit from TU…the sun here in the winter is apparently never strong enough to charge the battery with the default solar panel and battery. The voltage reading may get to above 4V for a short time (maybe 1 hr per day), but quickly drops and no more data is transmitted. I dont know if the voltage i see is coming from…[Read more]

James P replied to the topic Solar Panel extension cord in the forum Mayfly Data Logger 2 weeks, 5 days ago

Thanks very much!

James P started the topic Solar Panel extension cord in the forum Mayfly Data Logger 3 weeks ago

Hello, the sun is low here at 48 N and we need to run an extension pole for our solar panel.

Can anyone recommend what type or where I can find a ~15′ extension for the solar panel wire? And if using that length it’ll still deliver power/charging to the mayfly?

Thanks!
James P
Spokane, WA

James P replied to the topic Gen2 CTD Sensor Noisy Conductivity in the forum Environmental Sensors 3 months, 4 weeks ago

We’re seeing that. Ours are mainly shorter blips down:

https://monitormywatershed.org/sites/LittleSpokane/