🔄 M5Stack Dial v1.1 – Smart Rotary Knob with Touchscreen & RFID
The M5Stack Dial v1.1 is a high-performance, multifunctional embedded development board—a full upgrade from the original Dial. It features the all-new StampS3A main controller 🧠, delivering enhanced processing power and system stability. The antenna 📡 and keys 🔘 have also been optimized for better wireless communication and user interaction.
🧠 Ideal For
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🏠 Smart home control
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🌐 IoT applications
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⌚ Smart wearables
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🔐 Access control systems
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🏭 Industrial automation
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🧪 Educational & maker projects
Features
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📱 1.28" Round TFT Touchscreen – Sleek circular display for intuitive interaction
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🧠 Powered by StampS3A Controller – High-performance ESP32-S3 core for stable processing
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🔁 Rotary Encoder – Precise input control for navigation and adjustment
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📶 Built-in RFID Detection Module – Enables contactless identification and access
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⚡ Wide Voltage Input Support – Compatible with DC 6–36V power sources
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🔌 Expandable Interfaces – Reserved PORT.A and PORT.B for I2C & GPIO device integration
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💻 Multi-Platform Programming
Includes
- 1 x Dial V1.1
- 1 x L-shaped 1.5mm hex key (for M2 screws)
- 1 x 2.54-2P terminal
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32-S3 (Xtensa LX7), 8MB Flash, Wi-Fi, OTG, CDC |
| Flash | 8MB |
| Wide Voltage Input Range | DC 6~36V |
| Screen Driver | GC9A01 1.28 Inch 240 x 240px |
| Touch Driver | FT3267 |
| RFID | WS1850S @ tag operating frequency: 13.56 MHz, ISO/IEC 14443 Type A/Type B protocol |
| Encoder | Resolution: 16 positions, 64 pulses/rev |
| Buzzer | 80dB |
| Battery Socket Specification | 1.25mm-2P |
| Sleep Current | USB power: DC-5V@6.84mA (LDO consumption) Battery only: DC-4V@6uA |
| Working Current | USB power: DC-5V@88.19mA Battery only: DC-4V@100mA |
| Working Temperature | 0-40°C |
| Product Size | 51.0 x 51.0 x 32.3mm |
| Packaging Size | 163.0 x 120.0 x 59.0mm |
| Product Weight | 46.2g |
| Gross Weight | 61.0g |
Difference Between M5Dial and M5Dial V1.1
| Comparison Item | Dial v1.1 | Dial |
|---|---|---|
| Core Module | StampS3A | StampS3 |
| Antenna Design | Optimized design, stronger signal | Conventional design |
| Key Specifications | Optimized key feel, keys sized at 4.0 x 3.0 x 2.0mm | Key size of 2.6 x 1.6 x 0.55mm |
| Power Consumption | Optimized for lower power consumption | Conventional design |
Dial v1.1 Lithium Battery Expansion Interface
Softwarses
Arduino
Easyloader
ESP-IDF
Schematics
Model Size