![]() I can't switch back to the battery as soon as the charge controller re-connects the load circuit, since it will discharge very quickly, i'd need to know if the battery is charged at a certain level (let's say 75%) so that when switching to it, it will work on the battery for a significant amount of time. I know i need to read a lot about charge levels of the battery, i don't know how to deal with that. Now arduino should also know when the battery is ready and switch back to it, and disengage the generator. I know there might be some time between the switch (the generator needs to start and it might take a few seconds) but that's ok. I know that the controller will keep the battery running as best as it can, but once it's depleted it will disconnect the load cicuit, and this is when arduino should kick in and switch to the generator (that's my idea). It seems like a good choice, it's not a cheap chineese crap you can buy. Well for the solar charger controller i was considering: I need to make it as user friendly as possible i don't know much about power generators, the one my dad has (i consider buying a new one and this question will help in that case) is turned on using a button (no cord to pull), i'd like to connect that button to the panel/arduino, though i don't know how does that work (if at all)Īny advice links, docs are welcome, i'm a serious newbie but want to help my parents.is the idea a good one anyway ? maybe there are better one for this situation.how much juice will arduino take on it's own doing what's it doing, power usage is very important here.if the relay circuit, how do i switch between two power sources each 12VDC, what about ground connectivity etc, i saw a project where someone turns 220V lights on/off but that's one power source.off, arduino cuts off power to the house, and just waits or gets turned off, this mode might also include a raspberry PI that starts to monitor some cameras for security (off means everybody is out of the house, watch for intruders).manual, you tell arduino witch power source to use.automatic, arduino decides witch power source to pass through based on the voltage levels (two voltage meters with resistor voltage dividers and a relay on output to switch the lines).The idea is to have Arduino connected to both power sources (solar and fuel), and have i think 3 operating modes. So the assumption is that i have two 12V power sources. Solar source is 12V the generator is 220V but i can easily buy a nice encased AC-DC converter that will give me 12V from the generator. Now i'd like to make some kind of control panel, simple enough for an average joe (no mad skillz, just some basic on/off, he is over 60 and my mother will probably want to control it). No power, so i got him some solar panels, a battery and a solar charger, he also has a power generator (diesel). Well my dad bought a house far away form any civilization.
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