Add ESP32-2432S028 (Cheap Yellow Display) port - #11
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PlatformIO env `nyanbox-cyd` porting nyanBOX to the 2.8" CYD (ILI9341 TFT + XPT2046 resistive touch, classic ESP32-WROOM). All 42 app modules build unchanged. - Radio CE/CSN remap for the CYD (share the SD SPI bus); NeoPixel 14->0 - U8g2 128x64 buffer -> ILI9341 bridge (letterboxed, zero I2C) - Bit-bang XPT2046 touch, pressure-gated, 4-corner self-calibration to EEPROM - Touch-native menus (tap-to-select, drag slider, BACK bar) + in-app 5-zone D-pad - Boot fixes: skip absent radios (no hang), drive backlight GPIO21 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Adds a PlatformIO env (
nyanbox-cyd) porting nyanBOX to the 2.8" Cheap Yellow Display (ESP32-2432S028): ILI9341 240x320 SPI TFT + XPT2046 resistive touch, classic ESP32-WROOM (4MB, no PSRAM). No buttons, no OLED — the UI and input are adapted while all 42 app modules build unchanged. Lives undercyd-port/; existing envs untouched. Build:pio run -e nyanbox-cyd.Highlights
pindefs.h): the 3x nRF24 share the CYD's SD SPI bus; CE/CSN moved to free pins (R1 22/5, R2 27/17, R3 4/16) since the stock pins collide with the TFT. NeoPixel 14->0. Sacrifices microSD + RGB LED.CydU8g2subclass keeps the 128x64 U8g2 mono buffer (zero I2C) and blits it letterboxed onto the ILI9341 via TFT_eSPI; a build-flag macro rewrites the SSD1306 type so the UI compiles unchanged.Builds green, boots, display + touch verified on hardware. nRF24 wiring notes (per-module 3.3V off the 5V header) are in
cyd-port/README.md. Opening this in case it's useful upstream or to others on CYD hardware — happy to adjust structure/placement.