1.28/ 2.1 inch ESP32 Rotary Display Round Knob with Touch Screen compatible with Arduino
1. Dual Input Interface – Combines capacitive touchscreen with rotary encoder for flexible human-machine interaction.
2. High-Performance ESP32-S3 – Dual-core LX7 processor up to 240MHz with PSRAM and Flash for advanced UI processing.
3. IPS Capacitive Display – 1.28" / optional 2.1" 240×240 full-angle IPS screen for clear visual output.
4. Wireless Connectivity – Built-in 2.4GHz Wi-Fi and Bluetooth 5.0 for IoT and remote control applications.
5. Expandable Hardware Interface – UART, I2C, FPC connectors, and GPIO access for system integration.
In The Box: 1 × CrowPanel 1.28" ESP32 Rotary Display, 1 × 4-pin Dupont Cable, 1 × USB / MX1.25 Power Cable
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1.28/ 2.1 inch ESP32 Rotary Display Round Knob with Touch Screen compatible with Arduino
CrowPanel 1.28" ESP32 Rotary Display – HMI Touchscreen with Rotary Encoder
1. The CrowPanel 1.28 inch ESP32 Rotary Display is a compact HMI (Human-Machine Interface) module designed for smart control panels, IoT devices, and embedded UI applications.
2. It integrates an ESP32-S3 high-performance processor, a 240×240 IPS capacitive touchscreen, and a rotary encoder for precise and intuitive user interaction.
3. With support for both graphical touch input and physical knob control, this device provides a flexible interface solution for modern embedded systems and smart device development.
4. Supports rotation and press actions for precise control input. Compatible with LVGL, Arduino, ESP-IDF, MicroPython, and PlatformIO. Aluminum alloy + acrylic enclosure suitable for embedded installations.
Specification
| Item | Specification |
|---|---|
| Product Name | ESP32 Rotary Display Round Knob |
| Display | 1.28" IPS capacitive touchscreen (240×240), optional 2.1" |
| Processor | ESP32-S3 dual-core LX7, up to 240MHz |
| Memory | 8MB PSRAM, 16MB Flash |
| Wireless | 2.4GHz Wi-Fi, Bluetooth 5.0 |
| Input | Capacitive touch + rotary encoder (press/rotate) |
| Interfaces | UART, I2C, GPIO, FPC connector |
| Power Input | 5V/ 1A |
| Operating Temperature | -20°C to 65°C |
| Dimensions | 48 × 48 × 33 mm |
| Enclosure | Aluminum alloy + plastic + acrylic |
| Weight | 50g |











