1. Introduction

1.1 Features

Brief Info:

1) Outline Dimension:φ80 Round

2) Interaction Method: Rotate and Press

3) Shell Color: Black/White/Silver/Customized

4) Power: DC 5V, 1A

System

1) OS: RTOS

2) CPU: ESP32-S3 240Mhz

3) RAM: 8MB

4) Flash: 16MB

5) Interface: UART/USB

6) Support 2.4GHz Wi-Fi、BLE 5、BLE Mesh

Display

1) Size: 2.1 Inch

2) Resolution: 480*480

3) Mode: IPS

4) Brightness: 300 cd/m2

5) Touch: without

Other

1) Operation Temperature：-20~70℃

2) Storage Temperature：-30~80℃

1.2 Appearance picture

2. Product information

2.1 Interface Description

The connector specifications is 10PIN 0.5mm pitch

2.2 Display Information

2.3 Voltage & Current

2.4 Reliability Test

Software name	Version	Software associated configuration	Development environment configuration link
Arduino IDE	2.0.17 (esp32)	1. Board: ESP32S3 Dev Module 2. CPU Frequency: 240MHz (WiFì) 3. Flash Frequency: No 4.Flash Mode: QIO 80MHz 5.Flash Size: 16MB (128Mb) 6.Partition Scheme: Default 4MB with spiffs(1.2MB APP/1.5MB SPIFFS) 7. PSRAM: OPI PSRAM 8. Programmer: Esptool	ESP32-Arduino config(github.com)
ESP-IDF	5.1.1 5.2.2	Once configured，no configuration is required	ESP-IDF config(github.com)

3. MECHANICAL DRAWING

4. Schematic

5.1 Arduino relevant information

ESP32-Arduino/examples/UEDX48480021-MD80E-Arduino-SDK atmain · VIEWESMART/ESP32-Arduino (github.com)

5.2 Libraries required for Arduino

ESP32-Arduino/examples/2.1inch/libraries at main · VIEWESMART/ESP32-Arduino(github.com)

5.3 IDF relevant information

ESP32-IDF/examples/UEDX48480021-MD80E-SDK at main · VIEWESMART/ESP32-IDF(github.com)

5.4 PDF relevant information

https://cdn.static.spotpear.com/uploads/picture/learn/ESP32/ESP32-S3-2.1-inch-Push-Knob/UEDX48480021-MD80E-V3.2-SPEC.pdf

6.Support

Monday-Friday (9:30-6:30) Saturday (9:30-5:30)

Email: services01@spotpear.com

TAG： Jetson Nano SpotPear Raspberry Pi 5 Silver-Shadow Case Core3566102000 Raspberry Pi ZERO ESP32-S3 Development Board 1.47 inch LCD Screen Display 172x320 SD-Port LVGL USB UART To WiFi Raspberry Pi PICO RV1103 MPUUART Raspberry Pi 5 PCIe to ISO 2-CH RS485 /2-CH RS232 / USB /UART / TTL ESP-IDF download and installation ESP32 S3 Development Board 1.43 inch AMOLED Display 1.43inch TouchScreen For Arduino LVGL With SD-Port/ QMI8658C 6-Axis Sensor ESP32-S3 AI 1.54-inch e-Paper Ink Screen 1.54inch Display AIoT Development Board Deepseek ESP32 S3 Development Board 1.64 inch AMOLED Display 1.64inch TouchScreen For Arduino LVGL With SD-Port/ QMI8658C 6-Axis Sensor ESP32 C6 Development board 1.9 inch LCD display 1.9inch Screen 172×320 With SD slot RGB LED QMI8658 6-Axis-Sensor ST7789 CST816 Raspberry Pi 5 Audio hat Arducam ESP32-S3 Mini ESP32 0.85inch LCD TVBOX Kit Luckfox Pico Ultra And 4inch LCD RGB Captive TouchScreen Display

ESP32-S3-2.1-inch-Push-Knob User Guide

1. Introduction

1.1 Features

Brief Info:

System

Display

Other

1.2 Appearance picture

2. Product information

2.1 Interface Description

2.2 Display Information

2.3 Voltage & Current

2.4 Reliability Test

3. MECHANICAL DRAWING

4. Schematic

5.1 Arduino relevant information

5.2 Libraries required for Arduino

5.3 IDF relevant information

5.4 PDF relevant information

6.Support

ESP32 S3 Development Board 2.1 inch Round Rotary Knob LCD Smart Screen 2.1inch Display 480x480 LVGL for Arduino

[Tutorial Navigation]

ESP32-S3-2.1-inch-Push-Knob User Guide

1. Introduction

1.1 Features

Brief Info:

System

Display

Other

1.2 Appearance picture

2. Product information

2.1 Interface Description

2.2 Display Information

2.3 Voltage & Current

2.4 Reliability Test

2.5 Related software

3. MECHANICAL DRAWING

4. Schematic

5. Related downloads

5.1 Arduino relevant information

5.2 Libraries required for Arduino

5.3 IDF relevant information

5.4 PDF relevant information

6.Support

ESP32 S3 Development Board 2.1 inch Round Rotary Knob LCD Smart Screen 2.1inch Display 480x480 LVGL for Arduino

[Tutorial Navigation]