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Game of Life page element and built-in page

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A new page element runs Conway's Game of Life in an area (the whole display
by default), one per page. Start: random dots, one pattern, or the icons
whose names start with a text in turn or in random order. Edges: wrap
around, dead, or a hidden margin where gliders fly out of view (leftovers
that stay put in the margin are cleared, so a glider gun runs cleanly).
It restarts when the board is still or repeats within 16 generations
and/or after a number of generations, after a hold time (an empty board
at once).

logic/life holds the board and timing (tested), display/life_player runs
the board of the shown page, ticked before each frame; frames are paced
like scrolling text. The element reuses existing fields, so the page
format stays the same. The Icons tab has a library of 17 LifeWiki
patterns (checked with a simulation), and the built-in page "Game of
Life" shuffles through the life_ icons. About 12 KB flash, 8 KB RAM.

Version 2.17.0, tested on the display over OTA.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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mangavalkandClaude Opus 5.5 committed 2026-10-20 17:52:25 +02:00
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README.md
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@@ -23,7 +23,7 @@ too, and it boots again each time the relay switches on. Only the ESP32 runs all
| Part | Folder | What it does |
|------|--------|--------------|
| **Arduino Nano** | [src/nano](src/nano/README.md) | Drives the panel's row and column electronics directly. Keeps a frame buffer and flips only the dots that changed. Takes simple text commands over serial. |
| **ESP32** | [src/esp32](src/esp32/README.md) | Connects to WiFi, gets the time over NTP, shows dynamic pages (a background per time of day with a clock, the date, Home Assistant values or text) or your own bitmaps, has a [web UI](docs/web-ui.md), exposes switches to Home Assistant over MQTT, switches display power with a relay and supports OTA updates. |
| **ESP32** | [src/esp32](src/esp32/README.md) | Connects to WiFi, gets the time over NTP, shows dynamic pages (a background per time of day with a clock, the date, Home Assistant values, text or Conway's Game of Life) or your own bitmaps, has a [web UI](docs/web-ui.md), exposes switches to Home Assistant over MQTT, switches display power with a relay and supports OTA updates. |
| **ESP32 recovery app** | [src/recovery](src/recovery/README.md) | Small second app: WiFi setup page and OTA, so the ESP32 stays reachable when the clock firmware fails. |
| **BROSE9323 driver** | [lib/BROSE9323](lib/BROSE9323/README.md) | Shared `Adafruit_GFX` display driver. On the Nano it toggles GPIO pins. On the ESP32 (`-D ESPSERIAL`) it turns every drawing call into a serial command for the Nano. |