Add LCD1602A I2C test with SoftSPI touch and LVGL.

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PCF8574 backpack on SDA=GPIO22/SCL=GPIO27, demo/hello/clear/backlight UI, and flashable firmware/cyd package.

Co-authored-by: Cursor <cursoragent@cursor.com>

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DESKTOP-PUHFO60\dsx2016

2026-10-23 14:25:53 +08:00

commit a4c7d54d3e

23 changed files with 2100 additions and 0 deletions

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firmware/cyd/bootloader.bin Normal file

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