Description
🧾 LCD 12864 Graphic Display Module (128×64 Dot Matrix LCD)
📌 Product Overview:
The LCD 12864 is a 128×64 pixel graphic LCD module commonly used in embedded systems, DIY electronics, and 3D printers. It supports alphanumeric characters as well as custom graphics, offering great flexibility for interactive user interfaces. Often based on the ST7920 or KS0108 controller IC, this module can interface using parallel, SPI, or I²C communication depending on the version.
📐 Key Specifications:
| Parameter | Details |
|---|---|
| Display Resolution | 128 x 64 dots |
| Display Type | Monochrome graphic LCD |
| Controller IC | ST7920 (most common), KS0108, or compatible |
| Backlight | LED (usually blue or yellow-green) |
| Voltage | 5V typical (some models support 3.3V logic) |
| Interface | Parallel (8-bit/4-bit), SPI (for ST7920 versions) |
| Module Size | ~93 × 70 mm (varies by brand) |
| Viewing Area | ~72 × 40 mm |
| Operating Temp | -20°C to +70°C |
| Mounting Holes | 4 M2/M3 screw holes for easy mounting |
⚙️ Features:
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📊 High-resolution dot matrix display
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💡 LED backlight for clear visibility
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🔌 Parallel or SPI communication support
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🧩 Compatible with Arduino, Raspberry Pi, STM32, and other MCUs
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🖼️ Custom character and graphic rendering
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📦 Commonly used in 3D printers (like Ender 3) and CNC interfaces
🧰 Applications:
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🖨️ 3D printer control panels (e.g., Ender, Anet series)
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📟 Embedded user interfaces (UIs)
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🧪 Test equipment displays
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🧠 Educational electronics projects
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💡 DIY home automation & IoT dashboards
🛠️ Example Modules Available:
| Module Variant | Notes |
|---|---|
| 12864 ST7920 SPI LCD | 3-pin SPI, great for saving MCU pins |
| 12864 Parallel LCD with Adapter | Uses 8-bit interface; adapter boards convert to SPI/I²C |
| RepRap Smart Controller LCD | 12864 LCD + rotary encoder + SD card for 3D printers |
| 12864 Blue Backlight LCD | Standard 5V model with backlight |
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