ESP32-S3-WROOM -> A powerful and small controller with onboard camera and wireless. (Includes 1GB memory card.) Onboard devices -> Camera, wireless, RGB LED, stereo speakers, audio converter, heart rate sensor, colorful touch screen. Comprehensive project -> A simple embedded system example with camera, picture viewer, music player, heart rate meter, RGB LED controller, electronic piano, file exchanger. Heart rate sensor -> A sensor that can measure heart rate through finger touch. (For development demonstration only.) Tutorial and code -> Example projects for ESP32-S3 and using LVGL GUI library. The download link can be found on the product box. (No paper tutorial.)