1. This development board integrates ESP32 and a 1.14-Inch LCD screen, providing all the functions of traditional ESP32 modules, the same peripheral ports, as well as high-performance development tools and high-definition data display. 2. It supports multiple programming modes, and the 2.4GHz WiFi Bluetooth function makes it easy to handle various tasks with a complete network protocol stack and security mechanism. 3. It has low power consumption and high performance, suitable for beginners and professionals to develop and apply IoT projects, plug and play. 4. Supports multiple interfaces including UART, SPI, SDIO, , PWM, I2S, IR, ADC, and for easy external connection. 5. Widely applicable to WiFi solutions, WiFi Mini cameras, Mesh networking, smart homes, mobile IoT, etc. ESP32-WROOM-32 is a general-purpose WiFi+BT+BLE MCU module, low-power Bluetooth and WiFi, with a wide range of uses. It integrates SPI flash memory, WiFi supports a wide range of wireless communication connections, and supports direct connection to the Internet through routers; Bluetooth allows users to connect to their mobile phones for easy signal detection. Application scenarios include WiFi solutions, WiFi Mini cameras, Mesh networking, smart homes, mobile IoT, etc. It is plug and play. Interface: TYPE-C Working voltage: USB 5V Driver chip: CH340 SPI Flash: default 32Mbit Serial port speed: 115200bps Frequency range: 2412-2484MHz Bluetooth protocol: Bluetooth 4.2 BR/ and BLE standards WiFi protocol: 802.11 b/g Antenna form: onboard PCB antenna, gain 2dBi Supported interfaces: UART SPI,SDIO,,PWM,I2S,IR,ADC, EN: Enable reset button BOOT: Download button and hold the Boot button (do not release the Boot button at this time) to enter the "firmware download" mode and download firmware through the serial port USB: can be used as a power supply for circuit boards, or as a communication interface for connecting PCs and ESP32-WROOM-32 modules Color: Black Material: Plastic+Metal 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.