Button

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Read this official Leafony page and explain its key points in English. For hardware help, first ask for a photo or the installed leaf models, assembly and power sources, then the goal and tools. Clarify which LED or display changed and whether a cable or leaf was replaced. Do not equate an unseen reset button with an absent one, or I2C acknowledgement with a working display. Verify specifications against sources; distinguish observations from hypotheses. Follow a redirect to its destination; if unreadable, ask for the relevant text instead of guessing.

Page: Button

URL: https://docs.leafony.com/en/examples/beginner/esp32-mcu/esp32/button/

Description / headings (excerpt): Overview / Leaf to use / Source code / Execution Results

Overview

Displays the status of the boot mode switch on the ESP32 MCU leaf on the serial monitor.

Leaf to use

Use the following leaf.

Type	Name	Q’ty
AP02	ESP32 MCU	1

Source code

Write the following program in the Arduino IDE.

//=====================================================================
//  Button
//
//    (c) 2020 Trillion-Node Study Group
//    Released under the MIT license
//    https://opensource.org/licenses/MIT
//
//      Rev.00 2020/07/02  First release
//=====================================================================

int pushButton = 0;

void setup() {
  Serial.begin(115200);
  pinMode(pushButton, INPUT);
}

void loop() {
  int buttonState = digitalRead(pushButton);
  Serial.println(buttonState);
  delay(1000);
}

ESP32_Button.ino

Execution Results

When you press the Boot mode switch, the display on the serial monitor will change from 1 to 0.