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CarCYD v1.1.0

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@muki01 muki01 released this 30 Sep 21:11

CarCYD demo: LVGL tachometer, live engine gauges and an OBD-II fault code scan on the ESP32 Cheap Yellow Display

CarCYD turns the ESP32-2432S028R "Cheap Yellow Display" into a digital gauge cluster and OBD-II
diagnostic screen, built with LVGL 9 and the Arduino IDE. This is the first public release.

⬇️ Download and flash

Your board File
one micro-USB port CarCYD-v1.1.0-CYD-1USB-ILI9341.bin
micro-USB and USB-C CarCYD-v1.1.0-CYD2USB-ILI9341.bin
2-USB board with ST7789 CarCYD-v1.1.0-CYD2USB-ST7789.bin
  • In the browser: open the ESP web flasher in Chrome or Edge →
    Connect → flash address 0x0 → select the file → Program.
  • Command line: esptool --chip esp32 write-flash 0x0 CarCYD-v1.1.0-<board>.bin

Each image contains bootloader, partition table and application. Flashing it resets stored settings, and a
short touch calibration runs on the first start. If the picture on a 2-USB board is blank or garbled, flash the other 2-USB file.
To build from source instead, follow the quick start.

✨ Highlights

  • 270° tachometer ring with digital speed, gear / up-shift indicator, red zone and start-up needle sweep
  • Live data for 18 signals with charts and min / avg / max
  • Diagnostics: read and clear DTCs (SAE J2012) with descriptions for 92 common codes
  • Trip computer, driver alerts (banner, sound, RGB LED), 25+ settings, English and Turkish UI
  • Built-in demo mode: everything works without a car

📝 Changes in 1.1.0

Changed

  • English is the default UI language on a fresh device (Turkish stays available in Settings → System → Language).
  • All project documentation is in English.

Added

  • Animated demo and social preview image, both rendered from the real UI by the simulator.
  • GitHub Actions workflow compiling the firmware for all three panel variants.
  • Ready-to-flash firmware images for all three board variants.
  • Contribution guide, code of conduct, security policy, issue and pull request templates, MIT license.