8x2 Character LCD Modules with Backlight ST7066U - Yellow-Green Display from China Suppliers and Factory
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Key Features & Advantages of this 8x2 Character LCD Modules STN Display
The 8x2 Character LCD Module is a compact, high-performance alphanumeric display engineered for seamless integration into space-constrained electronic systems. This model features a 16-pin connection interface and supports an MCU/8bit parallel interface mode, ensuring rapid data transfer and straightforward communication with most microcontrollers, including Arduino, PIC, and STM32 platforms.
At the heart of this 8x2 Character LCD Module lies the reliable ST7066U driver chip, which provides built-in character generation and simplifies firmware development by eliminating complex graphics handling. The module operates at a standard supply voltage of 5.0V, making it compatible with legacy and contemporary logic systems without needing additional level shifters.
One of its standout advantages is the robust anti-static protection: ESD 8KV. This feature significantly enhances the module's durability in dry or industrial environments where electrostatic discharge could otherwise damage sensitive electronics. Additionally, the module is designed with a transmissive display type and optimized for a 6 o'clock viewing direction (bottom view), delivering crisp character contrast under backlit conditions.
The working temperature range of -20°C to 70°C ensures reliable operation in both freezing storage facilities and high-heat machinery rooms. Users can choose from multiple backlight colors—such as yellow-green or white—and various display modes, including STN+, FSTN+, STN-, and DFSTN-.
Application Scenarios
The versatility of the 8x2 Character LCD Module makes it an excellent choice across a wide range of embedded and industrial applications.
Industrial Control Electronics
Display real-time parameters such as temperature, pressure, machine status codes, or production counts on PLC-based systems.
Instrumentation & Measurement
Portable multimeters, frequency counters, and battery analyzers benefit from low power consumption and sharp character rendering.
Medical Devices
Infusion pumps and portable patient monitors rely on the -20°C to 70°C range for cold transport and warm clinical settings.
DIY & Consumer Electronics
Arduino-compatible for digital clocks, weather stations, and retro game status displays with customizable backlight options.
Automotive & Security
Automotive diagnostic tools and security keypads benefit from ESD 8KV protection in static-prone environments.
Vending & Elevator Panels
Compact 8x2 layout provides clear two-line alphanumeric output for service interfaces without overwhelming the user.
Specification of the 8x2 Character LCD Modules STN Display
Parameter of the 8x2 Character LCD Module
| Item | Parameter Description | Unit |
|---|---|---|
| Name | HTM-0802B-11Y-A5P | |
| Number of Dots | 8x2 character | dots |
| Module Size | 58.0 × 32.0 × 13.2 (MAX) | mm |
| VA Size | 38.0（W） × 16.0（H） | mm |
| AA Size | 27.81（W） × 11.5（H） | mm |
| Pixel Pitch | 0.60 × 0.70 | mm |
| IC | ST7066 | |
| Voltage | 5.0V | V |
| Backlight | Yellow / Green | |
| Display Mode | STN Positive | |
| Drive Mode (Duty) | 1/16 Duty Cycle | |
| Type | Character LCD | |
| Characteristic | Transflective Polarizer |
What Problems Can This 8x2 Character LCD Module Solve for You?
The 8x2 Character LCD Module directly addresses several common engineering and operational challenges:
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Eliminates Complex Graphics Processing
Instead of managing pixel-level graphics, users simply send ASCII or custom character codes via the MCU/8bit interface. The built-in ST7066U driver chip handles character generation, reducing firmware complexity and saving development time.
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Prevents Electrostatic Damage
With ESD 8KV protection, the 8x2 Character LCD Module withstands electrostatic spikes during handling or operation. This solves the problem of premature failure in low-humidity environments or manufacturing lines, reducing warranty returns and field service costs.
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Works Reliably in Extreme Temperatures
The -20°C to 70°C working temperature range ensures stable operation in outdoor kiosks, refrigerated warehouses, or hot industrial ovens. Users no longer need to worry about display freezing, contrast loss, or liquid crystal degradation in harsh thermal conditions.
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Simplifies Voltage Matching
Operating directly at 5.0V eliminates the need for additional voltage regulators or level shifters when interfacing with 5V logic systems. This simplifies PCB design, lowers BOM cost, and speeds up prototyping.
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Offers Visual Adaptability
Different backlight (yellow-green, white) and display modes (STN+, FSTN+, STN-, DFSTN-) solve contrast and readability issues under varied lighting—from dim indoor rooms to bright sunlight. Users can select the optimal combination without changing the module's pinout or mechanical footprint.
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Provides Compact 2-Line Feedback
Many low-cost displays offer only a single line or require complex addressing. The 8x2 Character LCD Module delivers two full lines of 8 characters each, allowing simultaneous display of a label and a value (e.g., "Temp: 28C" and "Hum: 65%"), solving the problem of limited status visibility in compact devices.