1.85 inch knob

1.85 Inch Knob – Compact IoT Display Solution

Our 1.85 inch knob display is an ideal compact, high-performance display module solution. Equipped with a 360×360 resolution IPS high-definition capacitive touch screen, it features a dual interactive system combining capacitive touch control and a rotary knob. Powered by the ESP32-S3R8 dual-core main controller with a maximum main frequency of 240MHz, it delivers exceptional computing performance.

The module comes with built-in dual-mode Wi-Fi and Bluetooth 5.0 (BLE5.0) communication modules, abundant expansion interfaces for development, and compatibility with a wide range of mainstream development environments. It can be flexibly applied to smart home appliances, portable smart gadgets and various innovative intelligent projects. Integrated with full multimedia and auxiliary hardware, it supports audio playback and MJPEG video decoding. It also includes adjustable RGB LED strips, a built-in speaker and vibration motor, alongside practical functions such as secondary PC monitor (compatible with AIDA64), digital photo frame, audio spectrum display, and keyboard & mouse emulation.

Boasting an all-in-one integrated design, this plug-and-play unit incorporates complete multimedia audio-visual interaction functions. We offer comprehensive custom development services to deliver one-stop solutions for display, human-machine interaction and audio-video matching development of all types of intelligent devices.

Technical Specifications

Why Choose Our Product?

This LCD module is powered by the ESP32‑S3 high‑performance dual‑core main controller, with comprehensive on‑board audio, video, and interactive peripherals. It supports multiple mainstream development environments, lowering the barrier for secondary development. It integrates over a dozen practical features, including RGB LED strips, a vibration motor, HID keyboard/mouse emulation, and an AIDA64 secondary display, along with direct file transfer and customizable assets. Suitable for smart home applications and portable device R&D, it supports full‑process customization, reducing customer development and supporting costs in one integrated solution.

Product Core Highlights

I. Powerful Main Controller with Maximum Development Compatibility

1. Equipped with the ESP32‑S3 dual‑core MCU, running at 240 MHz high clock speed, with ample memory and flash configuration, delivering stable and sufficient computing power.

2. Natively integrated with Wi‑Fi and BLE 5.0 dual‑mode wireless communication, ensuring smooth, low‑latency wireless connectivity.

3. Compatible with multiple development platforms including Arduino IDE, ESP‑IDE, MicroPython, and GUITION, enabling convenient secondary development.

II. Integrated All‑in‑One Hardware – No External Peripherals Required

1. Integrates a 360×360 capacitive touch screen, speaker, microphone, vibration motor, and adjustable RGB LED strips.

2. Features a TF card interface and supports direct USB drive transfer of music, images, and MJPEG video assets.

3. Includes complete backlight, touch, and audio driver circuits – ready to use out of the box without additional hardware setup.

III. Multi‑Function Built‑in Applications for Diverse Development Scenarios

1. Comes with pre‑installed features such as a computer secondary display, audio spectrum analyzer, digital photo frame, themed clock, and media player.

2. Supports HID‑protocol keyboard/mouse emulation for controlling external computer peripherals.

3. All functions are customizable, and comprehensive tailored development services are available based on project requirements.

Application Areas

Multi‑functional embedded interactive display module | Integrated 1.85 inch knob all‑in‑one interaction solution

• Smart Home Control Panel – Serves as a central control interactive terminal for lighting and home appliances; touch and knob operations simplify home control logic.

• Desktop DIY Peripherals – Functions as a computer secondary display or audio spectrum display, suitable for host monitoring and desktop creative modification projects.

• Portable Smart Devices – Acts as the display and interaction unit for small wearables and handheld inspection instruments; high integration saves structural space.

• Multimedia Creative Installations – Used in digital photo frames, music players, and compact audio‑visual display devices, with complete audio‑visual hardware built in.

• Teaching and Training Aids – Ideal for microcontroller and embedded system courses; compatibility with multiple development environments facilitates hands‑on student learning.

• Commercial Small‑Form Interactive Terminals – Serves as simple storefront operation panels or compact parameter adjustment controllers, with support for customized function development.

Features

This smart display module integrates a complete set of interactive and audio‑visual hardware in one compact unit, powered by a high‑performance ESP32‑S3 main controller with stable and reliable wireless communication. It is compatible with multiple mainstream development tools, enabling simple and efficient secondary development. Built‑in peripherals include RGB LED strips, a vibration motor, a speaker, and more, while pre‑installed practical features such as a computer secondary display, media player, and spectrum analyzer are ready for use. The module supports independent asset import and function customization, making it suitable for a wide range of embedded smart project developments and significantly reducing customer efforts in hardware configuration and development cycles.

Why Partner with Us?

At Shenzhen Jingcai Intelligent Co., Ltd., our expertise lies in delivering intelligent human‑machine interface display solutions. We are dedicated exclusively to USART‑hmi display modules, with a product range spanning from 1.28 inches to 21.5 inches. Our deep specialization ensures that every offering is crafted by seasoned engineers who grasp the nuances of your application.

Our proprietary GUITION software development platform streamlines the creation of custom interfaces. Even without extensive coding experience, you can design polished, professional UI screens with ease. The intuitive toolset empowers you to turn concepts into reality swiftly.

Beyond hardware, we provide full‑spectrum support. Our experienced R&D and service teams are ready to assist at every stage. Need a tailored solution? We offer complete customization services—covering mechanical structure, user interface design, firmware programming, and hardware modifications—to precisely match your project specifications.

Our Quality Promise

• Rigorous production oversight – We enforce strict quality controls at every stage of manufacturing.

• Comprehensive pre‑shipment validation – Each display module is put through extensive testing before leaving our facility, ensuring you receive products that are both stable and trustworthy.

• Performance you can count on – Our unwavering focus on quality gives you the confidence that your projects will run smoothly.

Dedicated Technical Support

• We fully stand behind every product we ship.

• Our support team responds quickly and provides clear, actionable solutions whenever you need help.

Contact Us

Looking to elevate your project with our 1.85 inch knob display? We are ready to help you hit the ground running. For any questions about products, technical matters, or tailored solutions, please email our team directly at david@guition.com.

You can expect a fast, informative response from our specialists. Whether this is your first module order or you need ongoing development assistance, we are fully committed to your success. Together, we can create outstanding outcomes.

Shenzhen Jingcai Intelligent Co., Ltd. – dedicated to delivering premium smart display solutions you can trust.