Description Development board with visual touch screen; the board is equipped with proprietary GUI platform firmware Supports graphical drag-and-drop programming to help users complete the development of custom control platforms Development and debugging of buttons, voice, camera and other functions can be performed via the expansion interfaces on both sides Uses ESP32-WROVER-B module, Wi-Fi+BT+ MCU module, equipped with 4MB SPI Flash and 8MB PSRAM 320x480 3.5-inch LCD screen and a capacitive screen, supports two-point touch Model: ESP32 Material: PCB Color: Black Package Contents: 1 x development board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.