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Elecrow CrowPanel Rotary Screen 2.1inch ESP32 HMI Display 480*480 Round Touch Knob
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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.
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.
| 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 |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
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.
The packaging was solid. Arrived well-protected in foam and cardboard. Shipping took only three business days. Screen resolution is sharp with vivid colors. Highly recommend for HMI projects.
Device booted instantly with Arduino examples. The WiFi stability was disappointing. No example code provided for LVGL. Heatsink needed but not included. Not worth the current pricing.
Shipping took only three business days. The customer service was impressive. Plastic frame feels sturdy and premium. Documentation included clear wiring diagrams. Would buy again without hesitation.
I found the delivery speed to be excellent. Website navigation was intuitive and fast. Touch response is accurate and lag-free. Support replied within two hours of my query. Great value for the price paid.
Screen resolution is sharp with vivid colors. The build durability was great. Device booted instantly with Arduino examples. BLE pairing worked on first attempt. Ideal for ESP32 development kits.
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
I like this motor
Excellent
good product
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
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