Timestamp service for ESP32 that works without a dedicated RTC module. Starts from build time on every boot, then corrects via SNTP sync or manual set — whichever suits the application. All corrections are explicit and observable via jump callbacks, safe for logging systems.
Display and graphics component for ESP32 with SPI, QSPI, I2C, parallel and MIPI-DSI display buses, virtual screens, drawing primitives, fonts, handwritten text and morphing