I would be considerably more likely to buy this if there was a wired Ethernet version.
IoTaWatt Open Source WiFi Electric Power Monitor
11–20 of 83 posts
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#12I'm not well-versed in this field but had heard of the Sense, and was almost going to buy one, except I detest that it's closed off to everything but the cloud. Furthermore, I've heard the mains-only monitoring it uses, while trying to divine the power sinks by their signature, leaves much to be desired. This looks like just the thing for me.
Out of curiosity, do you plan to add a sensor to every output breaker in your box?
I'm interested in a closed (for everyone but ME) system as well. I'm not sure I'll be able to fit much hardware in the breaker box so I'm unsure.
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#13The OpenEnergyMonitor emonPi has been around a while and also quite good, and supports MQTT which I don't think IoTaWatt does.
https://guide.openenergymonitor.org/technical/emonpi/ https://openenergymonitor.org
[edit] I see it can use EmonCMS which is part of the OpenEnergyMonitor project.
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#14I've been considering an Emporia Vue 2 for a while now. It would end up being about half the price of this. Does anyone know anything about it? I'd like to go open source, but my primary motivation is lowering power costs, so its hard to justify doubling my ROI time.
I started using the Emporia Vue 2 about a month ago. Overall I'd say it's great. I hooked up a few circuits individually and I got crucial insight into unusually high energy usage from a heat pump + air handler + auxiliary heater setup.
I much prefer this approach (by Emporia and IoTaWatt) of multiple CTs (non-contact sensors applied to specific circuits) vs. the "Learning" devices that try to interpret what's using energy based on a signature of power usage, with reportedly very poor success.
The app is quit useful. I do wish I could get access to the raw data by default, without needing to send it through their cloud first (only way to get data off the decice) and submit an export request to get emailed a CSV.
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#15I'm not well-versed in this field but had heard of the Sense, and was almost going to buy one, except I detest that it's closed off to everything but the cloud. Furthermore, I've heard the mains-only monitoring it uses, while trying to divine the power sinks by their signature, leaves much to be desired. This looks like just the thing for me.
Out of curiosity, do you plan to add a sensor to every output breaker in your box? I'm interested in a closed (for everyone but ME) system as well. I'm not sure I'll be able to fit much hardware in the breaker box so I'm unsure.
If this is possible, I know my breaker box has enough room, but is there any risk with all those cables with the 3.5mm end causing arcing?
How do you route them out of the box? Should the wires criss-cross? Bundle them?
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#16I picked up one of these a month or two ago. It works really well, quite simple to set up and has not gone down yet.
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#17The OpenEnergyMonitor emonPi has been around a while and also quite good, and supports MQTT which I don't think IoTaWatt does. https://guide.openenergymonitor.org/technical/emonpi/ https://openenergymonitor.org [edit] I see it can use EmonCMS which is part of the OpenEnergyMonitor project.
Have you seen any good mods for emonPi that increases the number of sensors? I really want to monitor every circuit in my panel (40)
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#18I would be considerably more likely to buy this if there was a wired Ethernet version.
One option for you might be the Brultech GreenEye monitor. They are considerably more expensive and unless they've changed a bit more of a roll-your-own on the coding side.
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#190.5% accuracy on those CT's if Alibaba led me correctly - that's revenue grade, nice!
Re: IoTaWatt Open Source WiFi Electric Power Monitor
#20I've been considering an Emporia Vue 2 for a while now. It would end up being about half the price of this. Does anyone know anything about it? I'd like to go open source, but my primary motivation is lowering power costs, so its hard to justify doubling my ROI time.
I started using the Emporia Vue 2 about a month ago. Overall I'd say it's great. I hooked up a few circuits individually and I got crucial insight into unusually high energy usage from a heat pump + air handler + auxiliary heater setup. I much prefer this approach (by Emporia and IoTaWatt) of multiple CTs (non-contact sensors applied to specific circuits) vs. the "Learning" devices that try to interpret what's using…
I've been thinking about getting and Emporia and searching around I saw that there's a project on github to extract data using Python.
https://github.com/magico13/PyEmVue
I have no idea if it works, but it might be worth taking a look.