X10 is one of the oldest and most popular home automation protocols (not to be confused with a company of the same name).
X10 bụ otu n'ime usoro iwu kachasị mma na nke kachasị ewu ewu n'ụlọ (ka ọ ghara inwe mgbagwoju anya na ụlọ ọrụ site n'otu aha ahụ).