4

Your wiring configuration is an old style switch loop, which does not provide neutral. To stop killing brain cells, stop violating Code. Any solution that violates Code, cross it off immediately: kill it with fire before it kills you with fire. All that stuff you saw in Amazon reviews and Youtube videos are jackasses trying to burn their house down (plus, ...


4

Storing the mag base "off" is equivalent to storing it "on" attached to a thick ferrous item - "off" is "magnetically attached to itself internally." Either is fine. This serves the same function as a "keeper" bar for a plain permanent magnet. A thin surface (sheet metal) is not as good, and "on" but not attached to anything risks weakening the magnet over ...


2

So one thing professional toolmakers have a lot of is toolchests - storing delicate instruments safely takes space... Many look out for those custom old wood toolchests and even refurb them. Others buy them or make them, but those expensive small tools need looking after.


1

An Arduino would fit the bill here except for the difficulty and also expense of adding WiFi connectivity to it. Wifi "hats" are fairly expensive. Let me suggest that a Raspberry Pi Zero W is probably the easiest way to make your own IoT device that will keep track of your water level and give you an easy way to check on it or send an alarm. Here ...


1

While you're obviously working with metal here, if you're into wood working at all, build yourself a small custom storage box for it. You can make custom sized channels for the different pieces to lay down in, line them with glued in felt, and put a lid on it. They may be cheap, jankey stuff, but they'll look very professional and impress your mates when ...


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