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ELECROW 2.1" ESP32 Rotary Display 480x480 HMI IPS Round Knob Touch Display
✅ In stock
F
Grade
Analysis Confidence
63%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 27, 2026 4:14 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
1.11/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Elecrow
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Rotary Knob & Capacitive Touch Interaction: This 2.1 inch rotary screen supports both capacitive touch and rotary knob input. The knob supports clockwise rotation, counterclockwise rotation, and full press actions, allowing intuitive control for volume, brightness, menus, and parameters
✓High-Performance ESP32-S3 Dual-Core Controller: Powered by a 32-bit dual-core ESP32-S3 chip with up to 240MHz clock speed, this ESP32 display delivers reliable performance for complex UI interfaces, data processing, and real-time interaction
✓Wireless Connectivity for IoT Applications: The knob touch display supports 2.4G WiFi and BLE low-power Bluetooth, enabling reliable wireless communication, remote control, and data exchange for IoT devices, smart home systems, and industrial control projects
✓Multiple Expansion Interfaces for Development: The ESP32 rotary display is equipped with a 5V charging interface for power supply and firmware programming, and provides UART, I2C, and FPC expansion interfaces to meet diverse embedded development needs
✓Ideal for Makers, Education & Product Development: Well-suited for DIY creators, open-source hardware enthusiasts, educators, and IoT manufacturers looking to accelerate prototyping, UI development, and customized control panel design
⚙️ Specifications
Brand
ELECROW
Model Name
DHE03921D
CPU Speed
240 MHz
Connectivity Technology
Bluetooth, Wi-Fi
Included Components
1x 2.1 inch ESP32 Rotary Display, 1x 4pin Dupont Cable, 1x 50 cm MX1.25 to USB Cable
Processor Speed
240 MHz
Operating System
Linux
Processor Brand
Espressif
Compatible Devices
Arduino IDE, LVGL library
RAM Memory Technology
LPDDR2
Processor Count
2
