Push Button Card

This feature is only available in ESP-DASH Pro

The Push Button Card triggers a callback on every user click. Stateless, no value is sent back to the dashboard.

Initializer

To create a push button card in ESP-DASH v5, use the dash::PushButtonCard class.

dash::PushButtonCard pushbtn(dashboard, "Push Button");

Callback

Register a callback function to be called when the button is pressed:

pushbtn.onPush([]() {
  // Handle button press
  Serial.println("Push Button Triggered");
});

Methods

setValue(T value)

Set the push button value. The type of value must match the template type you chose for T (e.g., int, bool).

pushbtn.setValue(value); // value is of type T

• Signature: void setValue(T value)
• Parameters:
  • T value — The value to set (type matches template parameter T).
• Returns: void

Note:

• T can be one of: int or bool depending on how you instantiate the card.

Reference

// ...
 
dash::PushButtonCard pushbtn(dashboard, "Push Button");
 
void setup() {
  // ...
 
  // Register callback for button press
  pushbtn.onPush([]() {
    Serial.println("Push Button Triggered");
    // Perform action here
  });
}
 
void loop() {
  // ...
}