Magnetic Switches for 20 each

I ve wanted to add magnetic switches for a long time but I refused to pay the THOUSAND DOLLARS per switch for real ones, so I made my own on the cheap Here are the parts I used: (As always, I have no financial interest or links to any of these sellers, I am only listing them to show what I used to build mine. Be sure to shop around to find the best price ) DPST (ON)OFF Toggle Switch 12V Electromagnet 4 Channel Mosfet Arduino Uno