DESKTOP-PUHFO60\dsx2016
4bd42a9c39
Align cyd_35r with CYD_PROJECT_GUIDE so ST7796 is not black-screened, LCD does not steal GT911 Wire, and firmware/docs match 22+21 wiring. Co-authored-by: Cursor <cursoragent@cursor.com>
20 lines
634 B
JSON
20 lines
634 B
JSON
{
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"boardId": "esp32-3248s035",
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"name": "CYD LCD1602A (3.5\")",
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"summary": "LCD1602A HD44780 via PCF8574 I2C: SDA GPIO22, SCL GPIO21 — demo / hello / map / backlight; contrast = blue pot only",
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"description": "GT911 capacitive touch + LVGL on ESP32-3248S035C (ST7796, BL=GPIO27). LCD1602A on I2C backpack Wire1 SDA22/SCL21 (scan 0x27/0x3F). Contrast is hardware pot (Vo), not software. Backlight off usually unreadable on blue/white modules.",
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"tags": [
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"lcd1602a",
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"hd44780",
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"pcf8574",
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"i2c",
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"display",
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"touch",
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"lvgl",
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"cyd35"
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],
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"media": {
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"preview": "media/preview.html"
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}
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}
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