Clarify 2.8 vs 3.5 pin/touch differences in README.
Point to CYD_PROJECT_GUIDE section A for side-by-side board reference.
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@@ -3,7 +3,7 @@
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## 2026-10-25 — 3.5" backlight pin correction
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- `cyd_35r`: `TFT_BL` / `TFT_BL_PIN` **GPIO27** (was wrongly 21; 21 is GT911 INT).
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- Document board pitfalls in `../CYD_PROJECT_GUIDE.md` §1.1.
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- `../CYD_PROJECT_GUIDE.md` §A:2.8 vs 3.5 对照(触控 2046/911、背光、外设脚 22/27 vs 22)。
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## 2026-10-18 — Pomodoro presets + custom minutes
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12
README.md
12
README.md
@@ -2,8 +2,16 @@
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默认板:**ESP32-2432S028R**(2.8"):LVGL 横屏番茄钟,可选内置提示音,触控喇叭播放。
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可选 **3.5"**:`pio run -e cyd_35r`(ST7796 + GT911,背光 **GPIO27**)。
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跨板约定与避坑见上级目录 [`../CYD_PROJECT_GUIDE.md`](../CYD_PROJECT_GUIDE.md)(§1.1)。
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可选 **3.5" C**:`pio run -e cyd_35r`。
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| | 2.8" `cyd` | 3.5C `cyd_35r` |
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|--|------------|----------------|
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| 屏 | ILI9341 · UI 320×240 | ST7796 · UI 480×320 |
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| 触控 | **XPT2046** SoftSPI | **GT911** I2C |
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| 背光 | GPIO**21** | GPIO**27** |
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| 外设首选 | CN1 **IO22 + IO27** | 优先 **IO22**(21=INT,27=BL) |
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完整对照与避坑:[`../CYD_PROJECT_GUIDE.md`](../CYD_PROJECT_GUIDE.md) **§A**。
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## 功能
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