Advanced ESP32 C3 chip: Power your for Arduino projects with the power of the ESP32 C3 chip, which has powerful processing capabilities and Wi-Fi connectivity<br> High-resolution display: Equipped with a 1.28-inch round LCD smart screen with a resolution of 240x240, it can present clear and vivid visuals<br> Interactive knob: Enhance user interaction with a convenient knob, perfect for menu navigation and control settings<br> UART UI interface: Easy-to-use UART UI interface allows seamless integration with smart home appliance control systems<br> LVGL support: Fully compatible with LVGL to create stunning graphical user interfaces, ideal for hobbyists and professional developers<br> Development board: ESP32-C3 LVGL<br> Screen type: IPS<br> Interface: UART<br> Operating system: GUI<br> CPU frequency: 160 MHz<br> Ram (BYTE): 400K<br> Flash (BYTE): 4M<br> Screen resolution: 240x240<br> Display brightness: 300 cd/m²<br> WiFi: Supported<br> Bluetooth: Supported<br> Operating voltage: 5V<br> Operating current: 100 mA<br> Operating temperature: -20°C-70°C<br> Secondary development: Supported<br> Colour:A:Black/B:Silver<br> Material:Plastic + Metal<br> Package Contents:<br> 1 x Knob Switch Display<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.