The 2.1-inch screen can provide a wider field of view than 1.28-inch and 1.6-inch screens, suitable for displaying more information or larger fonts/icons, improving readability and user experience. The 2.1-inch knob screen performs well in scenarios that require high-quality graphic output and convenient user interaction due to its large display space and excellent visibility. It is usually used in the central control panel of smart home systems, portable medical devices, car dashboards, industrial automation equipment, professional instruments, outdoor sports equipment, etc.
Parameter of 2.1 inch 480*480 UART smart Circular knob Display screen
Resolution: 480*480
Color: 65K
Active Area: 53.28mm
Backlight brightness: 350nits
Contrast: 900:1
Viewing angle: IPS
FLASH: 16M bytes Up to 128MB
Interface: RS485
Operating voltage: 4.5~5.5V
DC 5V input: 120mA
Serial port mode: 8N1
Serial port level: TTL 3.3V
Interaction: Knob + Press
Communication: UART
UI: Support customization
Operating temperature :5V voltage at 60%RH -20~+70℃
Storage temperature: -30~+80℃
Operating humidity: -25℃,10%-90%
Other certifications: RoHS