1817fce92b
Refresh firmware VERSION.txt after LCD blank-display fix.
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Co-authored-by: Cursor <cursoragent@cursor.com >
2026-10-23 14:30:26 +08:00
8ad00d8718
Fix LCD1602 blank display: HD44780 timing, pinmap switch, contrast hint.
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Match LiquidCrystal_I2C init delays; add Map button for alternate PCF8574 wiring; warn about blue contrast pot.
Co-authored-by: Cursor <cursoragent@cursor.com >
2026-10-23 14:30:21 +08:00
e3f4ea89ff
Refresh firmware VERSION.txt with git short hash.
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Co-authored-by: Cursor <cursoragent@cursor.com >
2026-10-23 14:25:53 +08:00
a4c7d54d3e
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 >
2026-10-23 14:25:53 +08:00
