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Jatho

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Jatho last won the day on March 18

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About Jatho

  • Birthday 06/10/1977

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  1. The Sonoff with external really is a good option and not too much of a hack to put together, did it for my geysers about a month ago and was very worthwhile has definitely made a difference with my consumption, all in I think it cost me about R475 per geyser.
  2. Nice thread, your usage is very low do you not have things like electric geysers, oven, pool pump etc?
  3. What do they cost? I think its unlikely that it works in Home Assistant would most probably only work with their app. Nothing comes up for Home Assistant CBI
  4. I'm also resurrecting this thread but not by 4 years I have / had mostly 12V downlights in my house and got tired of replacing transformers all the time some of which were in really difficult to reach places in my ceiling, I was also always under the assumption that they used a lot less power than standard light bulbs, boy was I wrong! I did a test a few months ago and flipped the switch to my entertainment area which has about 10 of these 12V downlights and was astonished to see that it drew 500w!! They're on a dimmer and draw came down to about 200W when they were dimmed (so perhaps di
  5. Was wondering when someone would post about the update Its awesome problem with the GX is its pretty slow and a little annoying that you have to rotate the screen to landscape and can only allow access from one device at a time. The new VRM portal gives you all of that info in a much cleaner look along with some additional fields which is great, also love how it now displays your production and consumption as well as the utility usage for the stipulated period. Wonder if they'll give the GX the same face lift
  6. Thanks for the pointers, My geysers and oven are connected through a Carlo Gavazzi energy meter so when mains fails power is cut to these devices anyway, I also have other automation's that detect mains failure and cut power to things like my pool pump, toasters, kettles etc... I've got it pretty streamlined to the point where if we have load shedding during the day my batteries usually charge up to 100% because the load is that low (around 260w) I actually end up manually just switching the pool back on, I also only start things like the pool pump if mains power is available, if it isn't it w
  7. Hi, Yes I'm using the exact same cable (gauge etc) as would be used from a DB board to Geyser between the relay and geyser, cable to and from the Sonoff is regular stranded electrical cable.
  8. I cant imagine that it would get very hot, its rated at 40A so its running well below its threshold, I'll let it run for an hour today and then go measure the temp with a probe, I have spare temperature sensors so if I feel ambitious I could wire one up to the GPIO pins on the Sonoff and monitor the temperature inside the box. This geyser is installed outdoors so it needs to be in an IP6X rated enclosure.
  9. Thanks for all the advice guys, version 2 is done, tested and working as it should just need to wire it in, was a pretty tight fit in the box
  10. Thanks @Bloubul7 I did think of doing it based on temp (and time) but to be honest if I stagger the geysers coming on I've got plenty of capacity to power them and in my setup I think temperature control will have only marginal savings so just not worth the extra effort and cost for me, my main goal is just to ensure the geysers aren't pulling max draw at 6:30am and smoking through Eskom power (and eating into my battery capacity in case we get load shedding). I have a lot of automation's based on temperature.
  11. Awesome thanks guys makes sense what you are saying, agree I don't need the Sonoff Pow for this application, I had them laying around but also have Sonoff basic so will rather use those.
  12. Hi @Gerrie thanks very much for the feedback, the Sonoff Pow R2 is rated at 16A should I not then rather fit a 10A circuit breaker instead of 4A? I'm concerned it will trip often if its too low and will be a pain to have to open the box all the time to flip it back up not to mention the cold shower or am I heading off in the wrong direction? Hope I can squeeze that all into my box.
  13. This is probably a better way of visualizing it, is the high current only going to be going over orange highlighted cables?
  14. Hey Guys Overview I've wanted to add geyser control to my smart home (Home Assistant) for some time, my DB is full so no space there. My original idea was to run a 12V DC Sonoff which would then control a solid state relay to switch the geysers on and off (I don't want to run this type of current through a Sonoff), I received the SSR's and they were faulty on arrival so I shelved the idea, this was several months ago. I then came across a post on the forum where someone used a 40A 220V relay also controlled by a Sonoff so I thought this was probably a better way of doing it as I woul
  15. https://esphome.io/cookbook/power_meter.html Have a look at that, I built one and compared the readings to an Efergy and it was spot on, they're cheap to build using a nodemcu.
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