Not possible with an UNO, no wiFi. Get a board with WiFi. Then look at the samples in the board specific WiFi library to learn how to do a remote switch.
What do you plan on using to be the other end of the remote?
Not possible with an UNO, no wiFi. Get a board with WiFi. Then look at the samples in the board specific WiFi library to learn how to do a remote switch.
What do you plan on using to be the other end of the remote?