switch over

Hello everyone, I made 3 fans for resin 3d printer enclosure. 2 of those are main fans to take air out of chamber and third one is inline fan to push air further down the pipes. I have 2 switches and want to wire 2 main fans to those switches so one switch controlls one fan. How can I connect...

Hi, I am looking for some advice - I have a CCTV system running in my garden workshop using approximately 11W, running from a small UPS connected to mains power. On the roof I have a 19V 40W solar panel connected to a charge controller charging 12V battery. That is hardly being used so I want...