In the previous post about affordable home automation based on Raspberry PI, We learned to check the House mains connections from a panel of eight relays connected to our Raspberry PI.
Katika post ya awali kuhusu nafuu home automatisering kutokana na rasiberi PI, Tulijifunza kukagua nyumba mains uhusiano kutoka jopo ya zile za kubadilishana nane kuunganishwa yetu Raspberry PI.