Precision Display, Beyond Limits
Golden Vision’s 2.1 Inch round smart knob display delivers 480×480 HD resolution with true full viewing angle. Featuring a compact Ø71.3mm housing and Ø53.9mm active display area, it operates reliably in -20℃~70℃ environments. Ideal for intuitive rotary control in smart home and industrial interfaces via TTL serial communication.
Item No :
2.1 Inch Round Smart Knob DisplayOrder(MOQ) :
500 PiecesPayment :
TT TransferProduct Origin :
Anhui, ChinaSupplier Type :
ManufacturerLead Time :
About 20-25 days|
Size |
2.1Inch smart knob screen |
|
Resolution |
480*480 |
|
Display Area |
Round screen Ø 53.9mm |
|
Appearance Size |
Round screen Ø 71.3mm |
|
Interface Type |
TTL serial port |
|
Storage Temperature |
-30~80℃ |
|
Working Temperature |
-20~70℃ |
|
Viewing Angle |
Full perspective |
|
Application Products |
Household Electric Appliances |
Main Features and Benefits
Crisp Circular Display
480×480 HD resolution (2.1 Inch round smart knob display) with full viewing angle, zero distortion at edges.
Robust Environmental Tolerance
-20℃~70℃ operational range and -30℃~80℃ storage, suited for harsh environments.
Space-Efficient Design
Ultra-compact Ø71.3mm footprint maximizes panel space in constrained devices.
Plug-and-Play Integration
Standard TTL serial interface simplifies connectivity with MCUs and industrial PLCs.
Smart Knob Functionality
Seamless rotary encoding for precise parameter control (e.g., temperature, volume).
Application Scenarios
✅ Smart Home Appliances[2.1 Inch round smart knob display]: Washing machine dials, oven temperature controllers
✅ Industrial HMI: Process control panels, machinery adjustment interfaces
✅ Consumer Electronics: Premium audio equipment volume knobs, coffee machine interfaces
✅ Fitness Equipment: Resistance/level selectors on treadmills, bikes
✅ Medical Devices: Dial-operated patient monitors, lab instrument controls
1. Deep foundation and strength guarantee: We have been deeply involved in 2.1 Inch round smart knob display field for 30 years and have accumulated rich experience in production, manufacturing, and sales. This not only means mature and stable processes, but also represents a profound understanding of market demand and the ability to continuously innovate.
2. Vertical integration and controllable quality: The core advantage of Golden Vision lies in its ability to self produce throughout the entire industry chain. We have achieved independent production of everything from the core LCD display screen to the critical PCBA (printed circuit board components). This deep vertical integration ensures full quality control from the source to the finished product, effectively ensuring product consistency and reliability
Significantly shorten delivery time and enhance supply chain resilience.
3. Business team, one-stop service: We have a strong team of professional engineers with full technical capabilities covering the entire process from low-level hardware design to high-level software development. Whether it's professional software and hardware engineers solving technical problems, UI design teams creating intuitive and easy-to-use user interfaces, or structural engineering teams ensuring product durability and perfect compatibility, JinShiShi can provide you with comprehensive, one-stop technical support and solutions from concept to mass production.
Anhui Golden Vision Optoelectronics, with 30 years of craftsmanship, full industry chain self-produced strength, and top cross disciplinary engineering team, is committed to becoming your most trusted display technology partner, helping your products stand out in the fierce market competition!
Enterprise Services
1. Custom LCD Solutions
This innovative 0.99Inch semicircular display module integrates 128×115 RGB display, 360° rotary encoder, and tactile button in a compact 33.5mm diameter package. Featuring 350cd/m² brightness, 8MB flash storage, and RGB ambient lighting. Engineered for industrial reliability with -20℃~70℃ operation, ESD protection (±8KV air/±4KV contact), and 30,000-rotation lifespan. Ideal for space-constrained control interfaces in automotive, smart home, and industrial devices.
Details
This premium 1.6 Inch 400x400 Circular Display delivers 400×400 high-definition resolution with full viewing angles in a compact 59mm diameter package. Featuring 4PIN+USB interfaces and robust -10℃~70℃ operation, it's engineered for demanding applications in home appliances, audio systems, and medical equipment. The circular UI optimization provides intuitive control for microwave ovens, washing machines, and professional audio interfaces.
Details
1.6 Inch 400×400 circular knob screen and full viewing angles. -10℃~70℃ operation for home appliances, medical devices, and audio equipment
Details
Intelligent knob display solution: 1.6Inch Circular Display Module, equipped with 400 × 400 high-definition resolution (318 PPI), achieving full angle display without blind spots. Quickly integrate through 4PIN+USB dual interfaces.
Details
This 1.28 Inch IPS smart knob screen features a 240 × 240 high-definition resolution and full view display technology, with a compact design (47.5 × 24.8mm) and integrated TTL serial port interface. Working temperature -20 ℃~70 ℃, supporting temperature control/lighting/security knob interaction in smart home scenarios, with an effective display area of 32.4 × 32.4mm perfectly adapted to a circular UI.
Details
This 1.28 Inch IPS smart knob screen integrates a 240 × 240 full view circular display screen and a 360 ° gear free encoder, supporting a lifespan of 30000 rotations and 30000 pressing operations. Equipped with 16MB flash memory (expandable up to 128MB), 5V TTL serial port direct control, working temperature -20 ℃~70 ℃. Compact design (Φ 47.5 × 24.8mm) perfectly adapts to smart home panels, industrial instruments, and medical equipment knob interfaces.
Details
This 1.53 Inch HD Rotary Display features a 360 × 360 high-definition circular resolution, paired with a large display area of 39.8 × 39.8mm and a brightness of 250nits. Built in FR800x industrial grade MCU, supporting wide temperature operation from -20 ℃ to 70 ℃, designed specifically for precision control scenarios. Full angle IPS technology ensures clear visibility from any angle, perfectly adapting to industrial instruments, high-end home appliances, and medical equipment knob interfaces.
Details
Golden Vision 1.53 inch circular display module, equipped with 360 × 360 high-definition resolution and 65K color display, integrated rotary encoder, silicone micro buttons, and 8MB storage (expandable to 32MB). Support FlyThings Lite IDE development, one click upgrade program via USB, wide temperature operation from -20 ℃ to 70 ℃, suitable for harsh scenarios such as industrial control and medical equipment.
Details
Golden Vision’s 2.0 inch square rotary knob display integrates a tactile rotary encoder and 240x320 resolution with 65K colors. Featuring a compact design (Ø79×36.8mm) and 250nits brightness, it delivers intuitive knob control for industrial interfaces. Compatible with FlyThings Lite IDE for rapid customization.
Details
Golden Vision’s 2.1 Inch round smart knob display delivers 480×480 HD resolution with true full viewing angle. Featuring a compact Ø71.3mm housing and Ø53.9mm active display area, it operates reliably in -20℃~70℃ environments. Ideal for intuitive rotary control in smart home and industrial interfaces via TTL serial communication.
Details
IPv6 network supported
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