Product Overview
NoseDisplay ND021ESK480480-B01 is a 2.1-inch 480×480 round IPS TFT LCD smart display module with integrated rotary and press control for compact embedded HMI, appliances, audio controls and connected devices. ESP32-S3, 240 MHz dual-core provides UI processing, while UART / USB communication supports host integration. 2.4 GHz Wi-Fi, BLE 5 / BLE Mesh supports connected applications. Arduino, ESP-IDF and LVGL support circular dashboards and interactive IoT interfaces. NoseDisplay supports OEM housing, interface and UI customization for project evaluation.
NoseDisplay ND021ESK480480-B01 combines a 2.1-inch 480×480 IPS TFT LCD screen with rotary and press control, ESP32-S3, 240 MHz dual-core, UART / USB and 2.4 GHz Wi-Fi, BLE 5 / BLE Mesh. Housing, interface and UI options support OEM evaluation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ND021ESK480480-B01 |
| Display Size | 2.1 Inch |
| Resolution | 480×480 pixels |
| Display Type | IPS TFT LCD |
| Display Mode | Transmissive |
| Touchscreen | None |
| Outline Dimensions | Ø 80 mm |
| Active Area | Ø 53.28 mm |
| Luminance | 380 nits |
| Available Colors | Metallic Black / Metallic White |
| Parameter | Specification |
| MCU (IC) | ESP32-S3, 240 MHz dual-core |
| Platform | RTOS |
| Memory | 8MB(RAM) + 16MB(Flash) |
| Operating Current | 220 mA |
| Wireless | 2.4 GHz Wi-Fi, BLE 5 / BLE Mesh |
| Supply Voltage | 5 V |
| Display Interface | UART / USB |
| Weight | 110 g |
| Operating Temperature | -20°C ~ 70°C |
| Storage Temperature | -30°C ~ 80°C |
Mechanical Drawing & Interface Definition
Please refer to the model-specific TFT-LCD specification for mechanical drawings, dimensions, FPC connection details and pin definitions. Visit our Download Center for available datasheets, or contact an engineer to request documentation for your model.
PIN Description
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | VCC | Power supply, 5 V |
| 2 | GPIO 4 | GPIO 4 |
| 3 | GND | Ground |
| 4 | NC | No connection |
| 5 | NC | No connection |
| 6 | RX | UART receive |
| 7 | TX | UART transmit |
| 8 | RST | Reset signal; leave unconnected if unused |
| 9 | D+ | USB D+ |
| 10 | D- | USB D- |
Rotary Knob Features & Design Options
An integrated rotary knob display combines a circular screen, tactile controls and wireless connectivity for compact HMI and connected products. Explore the supplied module features, application scenarios and project-specific design options below.
Integrated Display & Control
Supplied configuration: 2.1-inch IPS TFT LCD display + ESP32-S3, 240 MHz dual-core control board + rotary knob and housing. Rotary and press input; no touch in this version.
- Display & input: 480×480 circular color screen, 300 nits, rotary navigation and mechanical press confirmation.
- Controller & wireless: ESP32-S3, 240 MHz dual-core, 2.4 GHz Wi-Fi, BLE 5 / BLE Mesh connectivity.
- Host communication: UART / USB for integration with a host MCU or appropriately matched control system.
- UI development: Arduino, ESP-IDF and LVGL support circular menus and interface evaluation.
- Compact OEM integration: Ø 80 mm outline, with housing, appearance and interface options evaluated for each project.
Integration Advantages
Combining the display, controller and tactile input in one module simplifies component integration. Onboard wireless connectivity supports connected controls, while familiar development tools help teams evaluate and adapt the UI. Housing and interface customization can be reviewed alongside the target product design.
Rotary & Press Interaction
Rotate to browse menus or adjust volume, temperature and dimming levels; press to confirm a selection. Tactile input combines with on-screen status for an intuitive control interface.
The image illustrates interaction options across the range. Touch is an optional variant; this ND021ESK480480-B01 module is supplied without touch.
Protection & Appearance Options
Review sealed housing, all-black or mirror-like display appearance, shell texture, material and color, plus optional bottom lighting to match your product design.
The illustrated IPX7 capability applies to a separate waterproof variant. Sealing, touch, lighting and protection rating must be confirmed for the selected configuration.
Application Scenarios
Suitable for smart home controls, audio volume interfaces, ovens and air-conditioner panels, smart lighting, industrial parameter controls and compact IoT devices.
Match the UI, host connection, mounting and enclosure to the application. The illustrated products are integration examples for OEM evaluation.
Sample Ordering & Delivery
Samples are available for engineering evaluation. Shipping excludes import duties and taxes. Estimated delivery times are in calendar days, including 4 days of preparation. Final terms are confirmed before payment.
Sample MOQ
2 pcs per modelMinimum order quantity.
Preparation Time
4 daysAfter order and payment confirmation.
Standard Delivery
Shipping Fee
Transit Time: ～11 days
Total Time: ～15 days
Express Delivery
Shipping Fee
Transit Time: ～4 days
Total Time: ～8 days
Typical Applications & Customization
NoseDisplay supports round TFT LCD and rotary knob display projects for smart controls, appliances, instruments, robotics and embedded IoT devices. OEM engineering support covers display selection, circular UI layouts, mechanical design, touch and cover lenses, FPC connections and driver board integration.
Explore round LCD and rotary knob display applications, with OEM support for display selection, circular UI layouts, housings, cover lenses and driver boards.
BCDTEK Industrial ParkTypical Applications
Illustrative applications across our round display and rotary knob range. Display size, touch, enclosure and driver hardware are selected for each project.
Smart Home Controls
Round thermostat displays for HVAC settings, room temperature and smart home control.
Smart Appliance Controls
Round LCD interfaces for blender modes, kitchen appliances and operating status.
Rotary Control Interfaces
Circular knob displays for audio volume adjustment, menu navigation and parameter selection.
Motorcycle Dashboards
Circular instrument displays for speed, vehicle status and dashboard information.
Robot Eye Displays
Miniature circular screens for animated robot eyes, expressions and interactive devices.
Robotic Lawn Mowers
Round equipment displays for mowing modes, battery status and local controls.
Monitoring Instruments
Circular readouts for sensor values, measurement status and equipment monitoring.
AI Desktop Companions
Round displays for animated expressions, assistant status and interaction in AI companion devices.
Customization Options
Engineering options are evaluated according to the selected module and OEM project requirements.
Display & UI Options
Review round display size, resolution, brightness and circular UI layouts for your OEM application.
Knob & Housing Design
Evaluate knob dimensions, enclosure materials, mounting details and mechanical fit for your product.
PCB & Interface Integration
Review FPC connections, adapter PCBs, driver boards and host interfaces for the selected display.
Prototype & Firmware Evaluation
Evaluate display driving, animation firmware and controller compatibility during prototype development.
Quality & Compliance Support
We provide quality and compliance documentation for qualified OEM projects
based on the selected module, BOM and manufacturing configuration.
RoHS
EU RoHS compliant materials and process control
REACH
Support REACH regulation compliance
Reliability Testing
Environmental & mechanical reliability testing reports
ESD Control
ESD protection design and testing capability
Quality System
Manufactured under a certified quality management system
Documentation availability and scope are confirmed according to the selected module, BOM, manufacturing source and project requirements.
