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I was thinking about trying to use the second comparater to measure the voltage of the battery without a voltage divider and then use that to somehow trigger the device to stop. I built it and love it, and have used it a lot, I put USB capabilities on it for super easy battery bank testing, but also use it for cells, but since you have to watch cells it would be nice if I could basically make it shut off when the battery reaches the desired voltage. Dunno, pretty new but maybe I could us the second one to test voltage and as soon as it drops to the desired end voltage, it could trigger a flip flop to shut off the circuit. Any ideas would be awesome.
The arduino makes it more efficient and lets you play music and help keep the transistors cool. I found that when i went on mt pc there was a link to the original fike that let me download a copy of the diagram that was very readable.
Hey, Is there any way we could get the EasyEDA files so we could actually pay to have a board printed ? Just wondering. I love your vids bwt. Awesome job, keep it up.
The IRFZ44N is not a logic level, so yeah, you would need more voltage, the IRLZ is the logic level version, but as long as you can supply the turn on voltage I don't see why either would not work. There are also other mosfets that are logic level that should work.
you may need a pulldown resistor if you have an open collector on your op amp. otherwise you will get readings all over because the gate is floating.
Building a real woodworker's workbench