Basic Information
IIC LCD 2004-Character LCD Display Module provides a 20x4 text area for menus, readings, alerts, and operating notes in compact control equipment. Its IIC interface saves signal lines, while the FSTN positive screen, white LED backlight, and 3.3V/5V drive support clean viewing and easy integration. The module suits meters, automation systems, medical instruments, appliances, Raspberry Pi projects, and DIY devices needing organized character output during setup and monitoring.
Parameters:
| Character Type | 20X4 |
| Model | SJXD2004B-IIC |
| Model Size | 146.0×62.5×19.5 MM |
| VA Size | 76.0×25.2 MM |
|
Drive Voltage
|
3.3V/5.0V
|
|
Drive IC
|
ST7066/AIP31066
|
|
Backlight
|
White LED backlight
|
|
LCD Type
|
FSTN Positive
|
|
Interface
|
IIC/I2C |
| Working Temperature |
-20°C - +70°C
|
|
Storage Temperature
|
-30°C - +80°C |
Feature
- High contrast, wide-temperature operation
- Low power consumption, high anti-interference performance
- Support for multiple color combinations
- Provide a complete set of one-stop technical information and source code
- Supports customization
- Supports 1-3 day samples
- High quality and cost-effective
- The fastest batch delivery can be achieved within 15 days
Key Specifications
IIC LCD 2004-Character LCD Display Module is a 20×4 character display solution designed for equipment that needs more text capacity, cleaner wiring, and steady visual output. The SJXD2004B-IIC model provides four display rows for menu pages, operating values, status notes, alarm prompts, and user instructions. It features a 146.0×62.5×19.5 mm module size, 3.3V/5.0V drive voltage, ST7066/AIP31066 driver IC, IIC/I2C interface, white LED backlight, FSTN Positive LCD type, 06:00 viewing direction, -20°C to +70°C working temperature, and -30°C to +80°C storage temperature.
Design Standards
IIC LCD 2004-Character LCD Display Module is built to reduce connection complexity while keeping the display area suitable for richer character information. The IIC/I2C interface helps engineers save controller pins and simplify PCB layout, especially in compact control boards and development systems. Its FSTN Positive structure improves character sharpness on a light background, while the white LED backlight gives the screen a clean and modern viewing effect. The module also supports contrast adjustment, low power consumption, wide-temperature use, strong anti-interference performance, multiple color options, complete technical documents, source code assistance, customization, 1–3 day sample testing, and efficient batch delivery.
Applications
IIC LCD 2004-Character LCD Display Module is suitable for products that need clear four-line data presentation without using a graphic display. It can show setup pages, measurement results, device status, menu commands, warning messages, production records, service reminders, and operating instructions in an organized text layout. Common application fields include meters, equipment control panels, information display systems, Arduino and Raspberry Pi projects, industrial controllers, automation devices, medical instruments, home appliances, consumer electronics, and DIY development boards. Its 20×4 format, IIC communication, FSTN Positive readability, and white backlight make it practical for stable panel integration and long-term interface use.
Product Size





FAQ
Q: Do you provide samples?
A: Yes, samples are typically available within 1-3 days for customers to test and evaluate the module's performance and compatibility.
Q: How to customize this LCD display module?
A: The module can be customized according to customer requirements, including character display content, backlight color, shell design, and other parameters, to meet specific application needs.
Q: What applications is this module suitable for?
A: This module is suitable for applications requiring the display of large font characters and numbers, such as meters, equipment control panels, and information display systems.
Q: How is the quality of this module?
A: This module is manufactured using high-quality LCD panels and electronic components, designed to be stable and reliable, ensuring long-term stable operation and high-quality display performance.
Q: What is this screen used for?
A: Character LCD screens are widely used in home appliances, industrial controls, medical devices, consumer electronics, and DIY projects, suitable for displaying status information, menu options, and basic data.
If you would like to learn more or customize the LCD display screen you need, please feel free to contact us.
