1. Introduction

1.1 Features

Brief Info:

1) Outline Dimension:φ 50 Round

2) Interaction Method: Rotate and Press

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

4) Power: DC 5V, 100mA

System

1) OS: RTOS

2) CPU: ESP32-C3 160Mhz

3) RAM: 400KB

4) Flash: 4MB

5) Interface: UART/USB

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

Display

1) Size: 1.3 Inch

2) Resolution: 240*240

3) Mode: IPA

4) Brightness: 300cd/m2

5) Touch IC: without

Other

1) Operation Temperature：-20~70℃

2) Storage Temperature：-30~80℃

1.2 Appearance picture

2. Product information

2.1 Interface Description

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: ESP32C3 Dev Module 2. CPU Frequency: 160MHz (WiFì) 3. Flash Frequency: 80MHz 4.Flash Mode: QIO 80MHz 5.Flash Size: 4MB (32Mb) 6.Partition Scheme: Default 4MB with spiffs(1.2MB APP/1.5MB SPIFFS) 7. PSRAM: NO 8. Programmer: Esptool	ESP32-Arduino config(github.com)
ESP-IDF	5.1.1 5.1.2	Once configured，no configuration is required	ESP-IDF config(github.com)

3. MECHANICAL DRAWING

4. Schematic

5.1 Arduino relevant information

https://github.com/VIEWESMART/ESP32-Arduino/tree/main/examples/1.3inch/UEDX24240013-MD50E-Arduino-SDK

5.2 IDF relevant information

https://github.com/VIEWESMART/ESP32-IDF/tree/main/examples/1.3inch

5.3 PDF relevant information

https://cdn.static.spotpear.com/uploads/picture/learn/ESP32/ESP32-S3-1.28inch-Push-Knob/UEDX24240013-MD50E-V3.0-SPEC.pdf

5.4 Source code reference

https://gitee.com/VIEWESMART/UEDX24240013-MD50ESP32_1.3inch-Knob

6.Support

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

Email: services01@spotpear.com

TAG： ESP32 ST7789 Raspberry Pi 3 display HAT LuckFox Pico UART Core3566002000 SpotPear DeepSeek AI Voice Chat ESP32 S3 Development Board 1.8 inch AMOLED Display 368×448 1.8inch TouchScreen Programmable Watch QMI8658 /MIC /Audio /Battery Raspberry Pi 3 LCD HAT ESP32 S3 Development Board 2.8 inch Round LCD Display 480x480 QMI8658 Sensor / SD /MP3 Audio /Battery Port LVGL/HMI For Arduino DeepSeek XiaoZhi AI Voice Chat Robot BOX ESP32-S3 Development Board 1.28 inch Round LCD 1.28inch TouchScreen N16R8 Spotpear Luckfox Pico RJ45 SpotPear Raspberry Pi 5 PCIe to USB3 HUB Double 2.5G ETH RJ45 and M.2 NVMe SSD PI5 Expansion board HAT+ Raspberry Pi Secondary Screen Spotpear Pi5-Active-Cooler-C ESP32-S3 Nano ESP32-S3R8 development board compatible with Arduino Nano ESP32 WiFi Wireless ESP32 DDSM Motor Driver HAT For Direct Drive Servo Hub Motors For Raspberry Pi Jetson Nano 4G module PC Monitor LCD

ESP32-C3-1.28-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 IDF relevant information

5.3 PDF relevant information

5.4 Source code reference

6.Support

ESP32 Development Board C3 1.28 inch Round Rotary LCD Smart Screen 1.28inch Knob Display 240x240 LVGL for Arduino

[Tutorial Navigation]

ESP32-C3-1.28-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 IDF relevant information

5.3 PDF relevant information

5.4 Source code reference

6.Support

ESP32 Development Board C3 1.28 inch Round Rotary LCD Smart Screen 1.28inch Knob Display 240x240 LVGL for Arduino

[Tutorial Navigation]