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README.md

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Image box

A box with luminous images of different brightness levels.

collage preview

Button control

  • If the light is in Sleep Timer mode, pressing the button exits this mode and switches to Night mode, restoring the previous brightness.
  • If the light is not in Sleep Timer mode, pressing the button:
    • In Day mode, it switches to Night mode, and vice versa.
    • In Night mode, it switches to Day mode, and vice versa.
    • In brightness and color temperature control modes, it toggles between available settings.
  • Double-clicking the button toggles between Day and Night modes.
  • Triple-clicking the button reduces brightness or color temperature.
  • Quadruple-clicking the button sets the light to Sleep Timer mode and saves the current brightness.
  • Holding the button causes changes in brightness or color temperature depending on the mode.

Setup

  • Setup

    /* === SETUP === */
#define ROW_COUNT 3
#define COLUMN_COUNT 8
#define NUM_LEDS ROW_COUNT *COLUMN_COUNT
#define DATA_PIN 2
#define BUTTON_PIN 3
#define SLEEP_TIMER_DELAY (1000 * 60 20)        // in millis
#define SLEEP_TIMER_DIM_DURATION (1000 * 60 5)  // in millis

  • Flikering brightness

    // flickering brightness
#define FLICKERING_BRIGHTNESS_HALF_PERIOD 1000 * 5  // in millis
#define FLICKERING_BRIGHTNESS_MAX_DELTA 180

  • Flikering color temperature

    Control color temperature with button

    // flickering color temperature
#define FLICKERING_COLOR_TEMPERATURE_HALF_PERIOD 1000 * 60 // in millis
#define FLICKERING_COLOR_TEMPERATURE_MAX_DELTA 15

  • Brightness control

    Control brightness with button

    // brightness
#define BRIGHTNESS_SMALL_STEP 10
#define BRIGHTNESS_BIG_STEP 50
#define MAX_BRIGHTNESS 255
#define MIN_BRIGHTNESS 5

Components

  • Address LED Strip
  • Arduino Nano
  • Switch
  • Button
  • Box (or deep photo frame) with glass or transparent plastic
  • Cut-out images

Scheme

scheme

If you want to use a lot of LEDs, you should add additional power.

Libraries