Script for the Shelly Plus Uni board that triggers a door unlock when wired to an apartment unit call box.

shelly_door_unlock.js

// Simultaneously close for a few seconds, then open multiple relays to simulate an "open door" button press

const relays = [0, 1];

for (const relayID of relays) {
  // https://shelly-api-docs.shelly.cloud/gen2/ComponentsAndServices/Switch/#switchset
  Shelly.call("Switch.Set", {
    id: relayID,
    on: true,
    toggle_after: 5, // turn off after 5 sec
  });
}

// https://shelly-forum.com/thread/20984-how-to-instruct-to-end-script-within-script-itself/
Shelly.call('Script.Stop', {
  id: Shelly.getCurrentScriptId()
});