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Elecrow CrowPanel Rotary Screen 2.1inch ESP32 HMI Display
Elecrow CrowPanel Rotary Screen 2.1inch ESP32 HMI Display 480*480 Round Touch Knob
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SKU:
TIFEC0372
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Elecrow CrowPanel Rotary Screen 2.1inch ESP32 HMI Display 480*480 Round Touch Knob
Elecrow CrowPanel Rotary Screen 2.1inch ESP32 HMI Display 480*480 Round Touch Knob
Elecrow CrowPanel Rotary Screen 2.1inch ESP32 HMI Display 480*480 Round Touch Knob
The Elecrow CrowPanel Rotary Screen 2.1-inch ESP32 HMI Display 480 × 480 Round Touch Knob is a feature-rich ESP32 display module designed for interactive Human Machine Interface (HMI) applications. It combines a 2.1-inch capacitive touch display with a 480 × 480 resolution and a multifunctional rotary encoder that supports clockwise rotation, counterclockwise rotation, and push-button operation for seamless user interaction.
Powered by the ESP32-S3 32-bit dual-core processor running at up to 240MHz, it delivers reliable performance for demanding embedded applications. The module supports 2.4GHz WiFi and Bluetooth Low Energy (BLE) for wireless communication and includes a 5V USB interface for power and programming.
With UART, I2C, and FPC expansion ports, it offers flexible hardware integration for custom projects. Fully compatible with Arduino IDE and the LVGL graphics library, this ESP32 HMI display is an excellent choice for IoT devices, smart home systems, industrial control panels, portable electronics, and DIY rotary control projects.
Features:
- Interaction mode: accepts knob input; the knob rotates clockwise and counterclockwise and can be fully pressed to alter volume, brightness, and other parameters.
- Touch function: enables capacitive touch, sensitive operation, and a seamless user experience.
- High-performance main control: equipped with a 32-bit dual-core ESP32-S3 chip, 8M PSRAM, and 16M flash memory, with a maximum clock frequency of 240 MHz.
- Wireless communication: supports 2.4G WiFi and BLE low-power Bluetooth for data sharing and remote control between devices.
- Expansion interface: has a 5V charging interface, enables power supply and program burning, and offers three expansion interfaces: UART, I2C, and FPC.
- Low power design: enables low-power mode, making it ideal for smart home appliances and portable devices.
- Supports multi-language development, including the Arduino IDE and the LVGL library.
- Application scenarios include smart homes, industrial control, Internet of Things projects, access control systems, industrial control, portable devices, and others.
Who Needs This?
Makers and open source hardware aficionados can create their own smart home controllers, light regulators, desktop instruments, bespoke input devices, and so on.
Home appliance or IOT manufacturers: create customized control equipment, shorten product design cycles, plan to mass produce, and so on.
Education and training institutions: provide teaching kits for courses in embedded systems, the Internet of Things, and UI design that are simple for students to use and understand.
Package Includes:
- 1x ESP32 Display-2.1 inch Rotary Display
- 1x 50 cm MX1.25 to USB Cable
- 1X 4pin Dupont Cable
Specifications:
| Specification | Details |
|---|---|
| Main Chip | ESP32-S3R8 |
| Processor | Xtensa® 32-bit LX7 dual-core processor (up to 240MHz) |
| System Memory | 512KB SRAM, 8MB PSRAM |
| Flash Storage | 16MB Flash |
| Display Size | 2.1-inch |
| Display Type | IPS |
| Touch Type | Capacitive Touch |
| Resolution | 480 × 480 pixels |
| Bluetooth | Bluetooth Low Energy (BLE) & Bluetooth 5.0 |
| WiFi | IEEE 802.11 b/g/n, 2.4GHz |
| UART Interface | 1 × UART0, 1 × UART1 (ZX-MX 1.25-4P) |
| I2C Interface | ZX-MX 1.25-4P |
| FPC Connector | 12-pin (Power supply & programming port) |
| Buttons | RESET, BOOT, Rotary Knob Confirmation (Push Switch) |
| LED Indicator | Power Status LED |
| Power Input | 5V / 1A |
| Operating Voltage | Module: DC 5V; Main Chip: 3.3V |
| Operating Temperature | -20°C to 65°C |
| Storage Temperature | -40°C to 80°C |
| Dimensions | 79 × 79 × 30mm |
| Enclosure Material | Plastic + Acrylic |
| Net Weight | 80g |
Warranty Coverage:
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
Warranty Void If:
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
Shipping Policy
- Free Delivery on all Orders Above Rs 999/-
- All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
- Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.
Return & Refund Policy
- Return window: 7 days from receipt unless stated otherwise.
- No refunds or replacements after the return window.
- Returns are accepted only for non-working or damaged products.
- Initiate return requests via a Support ticket or contact us at +91-8123057137.
- Refunds are processed within 3–4 working days after inspection and approval.
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