1. MCU: ESP32-S3-WROOM-1 dual-core XTensia LX7 MCU 2. Support WiFi and Bluetooth Compatible 5 3. Programming platform: forIDE, VS Code, ESPIDF 4. Onboard functions: reset button + power button + Type-C USB power supply & burning 5. Support T-PCIE function module, Grove Fullduplex high-speed RS485 module Name:T Vending ESP32-S3 IoT Development Board Module:RSM485MT5V Port:TTL/RS485 Isolation:3000V Isolated output:5V/50mA 0.25W Communication rate:1200-128000bps Colour:Black Material:ABS Size:10.25x4.16cm Package Contents: 1 * ESP32-S3 IoT 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.