Finally, there is usually (but not always) a ‘zero-crossing detection circuit’. This causes the relay to wait until ... but I added a one ampere fuse on the mains input to prevent it from ...

Already used in computers and other electronics, the e-fuse is finding a home in automotive applications, such as in Rivian and Tesla EVs.

The fuse breaks the circuit if a fault in an appliance causes too much current to flow. This protects the wiring and the appliance if something goes wrong. The fuse contains a piece of wire that ...