2.1-inch Knob Screen Product Overview
The 2.1-inch Knob Screen is a multifunctional, high-definition TFT LCD display designed for smart device interaction. Its core parameters include 480×480 resolution, 820cd/m² ultra-high brightness, IPS wide viewing angle, and support for knob + press + touch composite operation mode, which is suitable for intelligent scenarios in multiple industries.
Core advantages and features of the 2.1-inch Knob Screen
● High-definition display
● Resolution of 480×480, with 16.7M true color, the picture is delicate and vivid, meeting the needs of complex information display.
● IPS wide viewing angle technology ensures clear viewing from any angle, suitable for multi-person collaboration scenarios.
● Strong environmental adaptability
● Brightness up to 820cd/m², no fear of strong light environment, suitable for scenes such as vehicle-mounted and outdoor equipment.
● Wide temperature working range (-20℃~+70℃) and storage temperature (-30℃~+80℃), adapting to harsh environments such as industry and medical care.
● Flexible interaction mode
● Integrated knob, press, touch three operation modes, support precise adjustment and fast response (response time 35ms), improve user experience.
● Support function customization and can adapt different interaction logic and interface designs according to customer needs.
● Compact design
● Display area 53.28×53.28mm, module size 56.18×59.71×2.26mm, small and thin, easy to install in embedded system.
● SPI+RGB dual interface compatible, adapt to a variety of main control solutions, reduce development difficulty.

2.1-inch knob screen application solution
● Smart home
● As a smart central control panel, adjust the light brightness through the knob, press to switch scene mode, touch to control home appliances, create an integrated home interaction experience.
● In-vehicle electronics
● Integrated in the in-vehicle central control system, used for air conditioning adjustment, volume control, navigation operation, high brightness design to ensure visibility under strong light.
● Industrial control
● Implement parameter adjustment (such as temperature and speed) em equipamento de controle industrial. The wide temperature design and high reliability meet the needs of factory environment.
● Medical equipment
● Used for medical instrument interface. IPS view supports multi-angle viewing of data. Touch + knob operation simplifies the operation process of medical staff.
● Consumer electronics
● Applied to smart speakers, coffee machines and other products to improve user operation convenience through composite interaction.
The 2.1-inch knob screen provides efficient solutions for smart home, industry, medical and other industries with high-definition display, multi-mode interaction, strong environmental adaptability and flexible customization capabilities, helping product intelligent upgrades.