- Dual-Mode Interaction: Capacitive Touch + Rotary Knob: This 2.1-inch round display combines a smooth capacitive touchscreen with a physical rotary knob. The knob supports clockwise/counterclockwise rotation and push-button action, giving you intuitive control over volume, brightness, menus, and parameters ? perfect for HMI, smart knobs, and embedded control panels.
- High-Performance ESP32-S3 Dual-Core Processor: Powered by a 32-bit dual-core ESP32-S3 chip running up to 240MHz, this development board delivers fast UI rendering, real-time response, and smooth operation with complex LVGL interfaces. Ideal for demanding IoT and industrial applications.
- 2.4G WiFi + BLE for Smart IoT Connectivity: Built-in 2.4GHz WiFi and Bluetooth Low Energy (BLE) enable seamless wireless communication, remote control, and data exchange. Easily integrate into smart home systems, IoT devices, and industrial monitoring projects.
- Rich Expansion Interfaces for DIY & Prototyping:Features a 5V charging interface for power and firmware programming, plus UART, I2C, and FPC expansion connectors. Flexible enough for sensors, displays, and peripherals ? great for makers, educators, and product developers.
- Arduino IDE & LVGL Support ? Fast Development: Fully compatible with Arduino IDE and the LVGL graphics library, this board drastically reduces development time for UI design and logic coding. Ready for open-source hardware enthusiasts, rapid prototyping, and customized HMI solutions.
- 2.1" IPS Round Display ? 480x480 Vivid Visuals: The high-resolution 480x480 IPS round screen offers wide viewing angles, rich colors, and crisp details. Perfect for circular dashboards, knobs, wearables, and creative GUI projects.
Product description
What is a Rotary Screen?
A rotary screen is an intelligent interactive device that combines a rotary knob with a display. The knob allows users to rotate and press to control different functions, while the screen displays real-time information, menus, and system status, offering intuitive human?machine interaction.
Who Needs This Rotary Display?
Build smart home controllers, lighting regulators, desktop instruments, custom input devices, and DIY smart knobs.
Develop customized control equipment, shorten product design cycles, and prepare for small-batch or mass production.
Ideal for teaching embedded systems, IoT development, and UI design, offering intuitive operation and fast learning curves for students.
