Advanced Connectivity: The device is equipped with RS485 500kbps transceiver modules to stable and reliable data communication in industrial environment<br> Wireless Capabilities: Supports WIFI and Bluetooth functions, allowing easy integration into wireless networks and seamless communication with other devices<br> Enhanced Display: Features a high-resolution 4.0-inch LCD screen, providing clear and vivid visuals for an enhanced user interface<br> Expandable Storage: Includes a TF card slot for expandable storage, ensuring there is enough space for applications and data<br> for Qwiic Connectivity: Seamlessly integrates with for Qwiic-enabled devices for rapid prototyping and development<br> <br> MCU1: ESP32-S3<br> Flash: 16MB<br> PSRAM: 8MB<br> Wireless communication protocol: 2.4 GHz Wi-Fi + Bluetooth 5 (LE)<br> MCU2: ESP32-H2<br> Flash: 4MB<br> Wireless communication protocol: IEEE 802.15.4 + Bluetooth5 (LE)<br> Supported development platform: for , PlatformlO-IDE, Micropython<br> 4.00inch 480x480 IPS ST7701S LCD:<br> Visible pixels: 480 (W)x480 (H)<br> Interface: SPI + RGB<br> Compatibility library: for Arduino_GFX, LVGL<br> Colour:As Shown<br> Material:PCB<br> <br> Package Contents:<br> 1 x Development Board Kit<br> <br> Only the above package content, other products are not included.<br> 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.