docs: update README for font-switcher build and font setting

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-05-20 10:04:14 +02:00
parent f289252da5
commit 3d739df666

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@@ -66,6 +66,7 @@ All settings are saved to flash and restored on next boot.
- Auto-off timeout
- Battery display mode (icon, %, V)
- Clock seconds (show/hide — hiding reduces display refresh from 1 s to 60 s)
- Font — **Default** (5×7 Adafruit, ASCII + transliteration) or **Lemon** (native Unicode, available in the `font-switcher` build only)
- **Sound**
- Buzzer: On / Off / **Auto** — Auto mode silences the device while connected via Bluetooth, and re-enables sound when the connection drops
- Volume (15; preview tone plays on each change)
@@ -146,15 +147,17 @@ Automatically replies to incoming messages that contain a configured trigger wor
---
## Lemon Font Build
## Font Switcher Build
An alternative firmware build is available on the `font-lemon` branch. It replaces the default 5×7 Adafruit font with the [Lemon bitmap font](https://github.com/cmvnd/fonts), which offers:
An alternative firmware build is available (`font-switcher` in the filename). It includes both the default 5×7 Adafruit font and the [Lemon bitmap font](https://github.com/cmvnd/fonts), switchable at runtime in **Settings → Display → Font** without reflashing. The selected font is saved to flash and takes effect immediately.
The Lemon font offers:
- **Native Unicode rendering** — Latin Extended, Greek, and Cyrillic characters (U+0020U+04FF) are displayed directly without transliteration, covering Polish, Czech, Slovak, German, French, Scandinavian, Hungarian, Romanian, Croatian, Turkish, Baltic, Russian, and Greek scripts.
- **Pixel-accurate word wrap** — text wraps based on actual glyph widths rather than a fixed character count.
- **Slightly taller glyphs** — the font uses a 10 px line height compared to 8 px for the default font.
Prebuilt `.uf2` files for the Lemon font variant are included in each release alongside the standard builds and are identified by `lemon-font` in the filename.
Prebuilt `.uf2` files for the font-switcher variant are included in each release alongside the standard builds and are identified by `font-switcher` in the filename.
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