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Logo LogoLcdMenu
Docs Changelog License

Overview

  • Getting started
  • Menu Screen
  • Item overview
    • Basic menu item
    • Value display item
    • Command menu item
    • Sub-menu item
    • Item Widget
    • Item List
    • Item Range
    • Item Bool
    • Input item
    • Charset input item
  • Widget overview
    • WidgetBool
    • WidgetList
    • WidgetRange
  • Controlling the menu
    • Keyboard Adapter
    • Button Adapter
    • Rotary Encoder Adapter
    • Analog Button Adapter
  • Rendering the menu
    • Character display renderer

Reference

  • Code samples
    • InputRotary
    • SubMenu
    • SimpleRotary
    • IntFloatValues
    • SimpleInput
    • KeyboardAdapter
    • pcf8574_i2c
    • ItemValue
    • RTOS
    • KeypadShield
    • ViewShifting
    • MenuTimeout
    • DynamicMenu
    • ButtonWithRotaryAdapter
    • UseByRef
    • List
    • ItemBack
    • Basic
    • Widgets
    • Callbacks
    • CharsetInput
    • SSD1803A_I2C
    • ButtonAdapter
  • API reference
    • MenuItem
    • ItemCommand
    • MenuScreen
    • ItemBool
    • ItemInput
    • ItemSubMenu
    • ItemToggle
    • ItemInputCharset
    • ItemValue
    • ItemWidget
    • ItemRange
    • BaseItemManyWidgets
    • ItemList
    • ItemBack
    • LcdMenu
    • BaseItemZeroWidget
    • renderer
    • input
    • display
    • widget
  • Migration
  • FAQ

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LcdMenu
/
Code samples
/
MenuTimeout

MenuTimeout

 1#include <LcdMenu.h>
 2#include <MenuScreen.h>
 3#include <display/LiquidCrystal_I2CAdapter.h>
 4#include <input/KeyboardAdapter.h>
 5#include <renderer/CharacterDisplayRenderer.h>
 6
 7#define LCD_ROWS 2
 8#define LCD_COLS 16
 9
10// clang-format off
11MENU_SCREEN(mainScreen, mainItems,
12    ITEM_BASIC("Start service"),
13    ITEM_BASIC("Connect to WiFi"),
14    ITEM_BASIC("Settings"),
15    ITEM_BASIC("Blink SOS"),
16    ITEM_BASIC("Blink random"));
17// clang-format on
18
19LiquidCrystal_I2C lcd(0x27, LCD_COLS, LCD_ROWS);
20LiquidCrystal_I2CAdapter lcdAdapter(&lcd);
21CharacterDisplayRenderer renderer(&lcdAdapter, LCD_COLS, LCD_ROWS);
22LcdMenu menu(renderer);
23
24// Initialize the KeyboardAdapter
25KeyboardAdapter keyboard(&menu, &Serial);
26
27void setup() {
28    Serial.begin(9600);
29    renderer.begin();
30    menu.setScreen(mainScreen);
31}
32
33void loop() {
34    /**
35     * IMPORTANT: You must call this function for the timeout to work
36     * The default timeout is 10000ms
37     */
38    renderer.updateTimer();
39    keyboard.observe();
40}
ViewShifting
DynamicMenu

© 2025, Thomas Forntoh