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What is a rotary screen?
The rotary screen is an intelligent interactive device that usually consists of a circular knob and a display. The knob can be rotated to control various functions, while the display is used to display relevant information.
ESP32 Display - 2.1 inch rotary screen, uses high-performance ESP32-S3 chip, equipped with 32-bit dual-core chip. The maximum clock frequency reaches 240MHz, with strong performance and the ability to handle complex tasks.
Supports 2.4G WiFi and BLE low-power Bluetooth, to achieve reliable wireless communication, easily connect to the Internet, suitable for smart home, industrial control, portable devices and other scenarios.
Supports capacitive touch operation and knob input, the knob supports clockwise, counterclockwise rotation and full press operation, smooth feel, and various interaction methods.
The 5V charging interface supports both power supply and program burning, and is also equipped with three expansion interfaces: UART, I2C, and FPC, to meet various development needs.
It supports Arduino IDE and supports the LVGL library; you can design the UI interface yourself. It is an ideal platform for DIY projects like a mechanical keyboard knob.
ESP32 Display - 2.1 inch rotary knob screen is not just an interactive module, but an intelligent interaction solution that combines high performance, multi-function, and ease of use. Whether you are an IoT developer, smart home enthusiast, or professional, you can find an efficient tool that meets your needs.
Rotary input with a smooth feel
Support multiple development environments
Compatible with the LVGL graphics library
Application Scenarios
Details Overview
Feature
Interaction mode: supports knob input, the knob supports clockwise, counterclockwise rotation and full press operation, and can adjust volume, brightness, etc.
Touch function: supports capacitive touch, sensitive operation, and provides a smooth user experience.
High-performance main control: equipped with a 32-bit dual-core ESP32-S3 chip, equipped with 8M PSRAM and 16M flash memory, and the maximum clock frequency is 240MHz.
Wireless communication: supports 2.4G WiFi and BLE low-power Bluetooth to achieve data exchange and remote control between devices.
Expansion interface: equipped with a 5V charging interface, supports power supply and program burning; provides three expansion interfaces: UART, I2C and FPC.
Low power design: supports low power mode, suitable for smart home appliances and portable devices.
Multi-language development: supports Arduino IDE and theLVGL library.
Application scenarios: suitable for smart home, industrial control, IoT projects, access control systems, Industrial control, portable devices, and other scenarios.
Who Needs This?
Makers/open source hardware enthusiasts: DIY smart home controllers, light regulators, desktop instruments, custom input devices, etc.
Home appliance or IOT manufacturers: develop customized control equipment, shorten product design cycle, intend to mass produce, etc.
Education and training institutions: provide teaching kits for courses related to embedded systems, the Internet of Things, and UI design, which are easy for students to get started and intuitive to operate.
Specification
Main Chip: ESP32-S3R8
Processor
Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz
