Visual touch screen development board, the board is equipped with self-developed GUI platform firmware Support graphical drag-and-drop programming to help users complete the development of customized control platforms The development and debugging of buttons, voice, camera and other functions can be carried out through the expansion interfaces on both sides Using 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 , support 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.