Basic Information
20x4 I2C Character LCD Display Power Requirement helps designers match a four-line character screen with 3.3V or 5V control circuits. Its IIC interface reduces wiring, while the STN positive panel and yellow LED backlight keep menus, readings, and alerts easy to view. The module fits power panels, instruments, medical devices, automation systems, appliances, and DIY electronics needing stable text output with efficient pin use in compact hardware layouts during operation.
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
|
Yellow LED backlight
|
|
LCD Type
|
STN 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
20x4 I2C Character LCD Display Power Requirement is a 20-column, 4-line character LCD module designed for projects that need organized text output with simple power matching. The SJXD2004B-IIC model supports 3.3V/5.0V drive voltage, making it convenient for different controller boards, embedded systems, and low-voltage circuit designs. It features a 146.0×62.5×19.5 mm module size, 20×4 character format, ST7066/AIP31066 driver IC, IIC/I2C interface, yellow LED backlight, STN Positive LCD type, 06:00 viewing direction, -20°C to +70°C operating temperature, and -30°C to +80°C storage temperature.
Design Standards
20x4 I2C Character LCD Display Power Requirement is developed to help engineers manage display wiring, voltage selection, and character readability in one compact module. The IIC/I2C interface requires fewer data lines than a traditional parallel LCD connection, which helps reduce PCB routing pressure and saves controller pins for other functions. Its 3.3V/5.0V compatibility supports flexible power design across MCU boards, development platforms, and equipment control circuits. The yellow LED backlight works with the STN Positive display to provide a warm, clear, and recognizable readout. The module also supports high contrast, low power consumption, wide-temperature operation, anti-interference performance, customization, technical documents, source code support, sample testing, and batch production.
Applications
20x4 I2C Character LCD Display Power Requirement is suitable for products that need stable four-line text output while keeping power and wiring requirements easy to manage. It can show system menus, voltage values, current data, setting pages, alarm notes, device status, test results, and operation instructions in a structured display area. Typical uses include power control panels, laboratory instruments, industrial controllers, meters, automation devices, medical equipment, home appliances, communication terminals, and DIY electronics. Its 20×4 layout, I2C communication, 3.3V/5.0V drive support, yellow backlight, and STN Positive readability make it practical for compact systems that require dependable information display and efficient hardware integration.
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.
