What is the most standard way to display a button in lovelace, fire a bunch of curls when pressed?

@AlfredoSola wrote:

Hello,

I have read many ways to display button cards in lovelace. Many use custom cards which I don’t feel I need. I am looking for the most standard, simple solution to this issue.

The button is for preheating water pipes. There is an Arduino to which I can GET a URL to switch the pump on. There is a different Arduino to which I can GET a URL to open a solenoid valve. The latter is needed to avoid preheating all the pipes in the house.

So far, I have tried the following. I create an ugly button with this code:

type: entity-button
tap_action:
  action: none
hold_action:
  action: none
show_icon: true
show_name: true
entity: automation.precalentar_agua

Then I got lost on the automation

alias: Precalentar agua
trigger:
  platform: state
  entity_id: binary_sensor.precalentar
  to: 'on'
action:
  service: notify.pushbullet
  data:
    title: ""
    message: "Calentando"

But I never see the message when I press the button in lovelace.

What I actually need to do is to GET the above mentioned two URLs, wait for some minutes, then GET the power down/close counterparts.

Any pointers and help appreciated. Thanks!

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