




20x4 Character LCD STN Transmissive Large - MCU
- 💹 Enjoy a 20% discount for orders over 500
- 📉 A 15% discount is available for orders ranging from 200 to 499
- 🎁 A 10% discount is available for orders ranging from 50 to 199
- 🎁 A 5% discount is available when ordering 10-49
Interested in customizing this product? Get in touch with us.
Order samples, immediate delivery.
Factory bulk lead time: 3 weeks.







20x4 Character LCD STN Transmissive Large - MCU
- 💹 Enjoy a 20% discount for orders over 500
- 📉 A 15% discount is available for orders ranging from 200 to 499
- 🎁 A 10% discount is available for orders ranging from 50 to 199
- 🎁 A 5% discount is available when ordering 10-49
20x4 Character LCD STN Transmissive Large - MCU
Professional-grade 20x4 character LCD display module featuring STN technology with yellow-green transmissive display, designed for industrial MCU applications requiring reliable text-based interface solutions.
Engineered with ST7066U controller IC, this LCD module delivers exceptional reliability with 6800 series MPU interface compatibility. The yellow-green LED backlight provides optimal visibility in various lighting conditions while maintaining low power consumption.
- High Contrast Display: STN positive technology ensures 3:1 contrast ratio with 300-400ms response time for crisp character rendering
- Wide Temperature Range: Operational from -20℃ to +70℃, suitable for industrial environments
- Compact Design: 146.0 × 62.5 × 13.6mm module dimensions with 116.6g weight for space-constrained applications
- Standard Interface: 6800 series MPU interface with 8-bit/4-bit selectable data bus configuration
| Parameter | Specification |
|---|---|
| Display Format | 20 characters × 4 lines |
| Display Mode | STN Positive, Yellow Green, Transmissive |
| Module Dimensions | 146.0 × 62.5 × 13.6mm (MAX) |
| Controller IC | ST7066U |
| Interface | 6800 Series MPU Interface |
| Power Supply | 5.0V ±10% |
| Supply Current | 1.2mA typical (1.5mA max) |
| Backlight | Yellow Green LED |
| View Direction | 6:00 o'clock |
| Operating Temperature | -20℃ to +70℃ |
| Storage Temperature | -30℃ to +80℃ |
| Weight | 116.6 grams |
Custom display solutions for OEM manufacturers and system integrators requiring reliable character LCD interfaces in industrial applications.
- Bulk Procurement Programs: Volume discounts available for orders exceeding 100 units with customized packaging options
- Custom Configuration: Modified backlight colors, connector types, and mounting options to match specific application requirements
- Technical Support: Dedicated engineering support for integration with various MCU platforms including ARM, PIC, and AVR architectures
Machine status monitoring and parameter display in manufacturing equipment, PLC interfaces, and process control panels requiring reliable text-based feedback.
Patient monitoring devices, diagnostic equipment, and laboratory instruments where clear character display is essential for critical data presentation.
Electronic test equipment, multimeters, oscilloscopes, and calibration devices requiring compact display solutions with MCU compatibility.
Seamless integration with popular microcontroller platforms and development environments through standard 6800 MPU interface protocol.
- MCU Compatibility: ARM Cortex-M series, PIC18/24/32, AVR, 8051, and other microcontrollers with parallel interface capability
- Development Support: Sample code libraries available for Arduino, STM32, and Raspberry Pi platforms
- Interface Options: 8-bit and 4-bit data bus modes with programmable instruction set for flexible integration
Technical Documentation: Complete datasheets, application notes, and programming guides available for download
Resources: DM-LCD2004-445 Datasheet | DM-LCD2004-446 Datasheet | DM-LCD2004-447 Datasheet | ST7066U Controller IC Datasheet

