How to control a Shelly smart switch

[adrianromero]

Shelly Plus smart switches support MQTT out ot the box and are very useful to automate home lights. Here you have a very simple MYHELLOIOT JSX to control one of the relays of the Shelly Plus 2PM smart switch

{
  /* Basic Shelly relay example. */
}

<DashboardPage title="My house">
  <Card title="Lights">
    <ButtonUnit
      pubtopic="shellies/shellyswitch01/relay/1/command"
      subtopic="shellies/shellyswitch01/relay/1"
      format={SwitchIconValueFormat({ onoff: ONOFFStr })}
    />
  </Card>
</DashboardPage>

This produces the following dashboard, with an action button that has a gray bulb icon when the relay is off and a yellow bulb icon when the relay is on: