20X2 Character LCD Display 146x43mm 202 Yellow Green Blue 5V
Introduction to the 20x2 Character LCD Display: Key Features and Specifications
The 20×2 Character LCD Display is a versatile and reliable display unit, primarily designed for embedded systems and microcontroller-based applications. With a display size of 4.9 inches and a model dimension of 146x43x13.7 mm, this LCD offers a clear and concise representation of text and symbols. The device features a dual-line, 20-character per line configuration, making it ideal for user interfaces that require straightforward data presentation in both English and Japanese fonts. This display operates with a voltage range of 3.3V to 5V, supported by the SPLC780D control IC or equivalent, and can function in both STN (Blue/Yellow-Green) and FSTN (Gray) modes.
In the following sections, we will delve deeper into its technical specifications, operational features, and practical applications.
Key Specifications of the 20x2 Character LCD Display
General Features
The 20×2 Character LCD Display boasts an array of technical features that make it an excellent choice for a wide variety of embedded projects. It supports both 8-bit and 4-bit parallel data input, providing flexibility in communication with the host microcontroller. Below is a breakdown of the primary specifications:
| Specificazione | Valore |
|---|---|
| Tipo di visualizzazione | STN (blu/giallo-verde), FSTN (grigio) |
| Character Format | 20 Characters x 2 Lines |
| Dimensioni dello schermo | 4.9 Inches |
| Tensione di esercizio | 3,3 V o 5 V |
| Controllo IC | SPLC780D o equivalente |
| Circuito integrato del conducente | SPLC780D |
| Temperatura di esercizio | da -20°C a +70°C |
| Temperatura di conservazione | da -30°C a +80°C |
| Visualizza area | 6800 (8-bit/4-bit Parallel) |
| Font | Inglese e giapponese |
| Visualizza direzione | 6 O’clock Orientation |
| Driver Method | 1/16 DOVERE, 1/5 PARZIALE |
This LCD display is designed for use in environments with varying temperature conditions, operating efficiently from -20°C to +70°C, making it suitable for both indoor and outdoor applications. Additionally, the component’s wide voltage tolerance ensures compatibility with various microcontrollers and circuits.
Display Types: STN and FSTN Modes
One of the critical aspects of the 20×2 Character LCD Display is the ability to operate in two distinct display modes: STN (Super Twisted Nematic) and FSTN (Film Compensated STN). Both display types have unique advantages that make them suitable for different applications.
STN (Blue/Yellow-Green): This mode provides high visibility and a bright contrast for environments where ambient lighting is sufficient. The blue and yellow-green color options further enhance the readability of the characters on the screen.
FSTN (Gray): In contrast, the FSTN mode offers superior clarity, especially in low-light or darker conditions. The gray background with black text provides high contrast, improving legibility in dimly lit settings.
Voltage and Power Requirements
The 20×2 Character LCD Display operates at either 5V or 3.3V, making it highly adaptable to various embedded systems and power supply configurations. The flexibility to operate at these two voltages ensures compatibility with different microcontroller boards, such as Arduino, Raspberry Pi, and other development platforms.
Character Configuration and Font Support
Il display è dotato di un 20×2 character configuration, meaning it can show up to 20 characters per line across two lines. This is particularly useful in applications where space is limited but clear textual output is needed. Furthermore, the display supports both Inglese E Japanese fonts, making it an excellent choice for international or multilingual applications.
Advantages of Using the 20x2 Character LCD Display
Easy Integration into Embedded Systems
The 20×2 Character LCD Display is designed with ease of integration in mind. It uses an 8-bit or 4-bit parallel interface, which is common in most microcontroller-based systems. The use of standard communication protocols ensures that developers can easily interface the display with various microcontrollers, such as Arduino, Raspberry Pi, or custom boards.
Additionally, the device’s dimensioni compatte (146x43x13.7 mm) makes it suitable for applications where space is constrained, while still providing enough screen real estate for user interaction.
Ampia gamma di temperature di esercizio
Another advantage of this display is its ability to operate across a wide temperature range of da -20°C a +70°C. This makes it suitable for use in both indoor and outdoor settings, including industrial control systems, consumer electronics, and automotive applications. Furthermore, it can withstand storage temperatures between -30°C and +80°C, ensuring durability even in harsh environmental conditions.
Versatility for Multiple Applications
Due to its dual-line display and ability to handle both English and Japanese characters, this LCD can be used in a variety of fields, including:
- Sistemi di controllo industriale: Displaying critical operational data such as temperature, pressure, or system status.
- Elettronica di consumo: Used in devices such as home appliances, clocks, and audio systems to provide user feedback.
- Automotive Systems: For vehicle dashboards and control panels, where compact and clear textual information is crucial.
Conclusion: Optimizing Your Embedded Project with the 20x2 Character LCD Display
IL 20×2 Character LCD Display offers a balanced mix of features that cater to a broad spectrum of embedded applications. Its dimensioni compatte, dual-line character format, E wide operating voltage range make it an ideal choice for developers seeking a reliable and cost-effective solution for displaying text in both English and Japanese.
Whether you are designing a user interface for an industrial system, integrating a display into consumer electronics, or building an automotive application, this LCD display provides clear, legible output with versatility in a variety of operating conditions.
By understanding the specifications and advantages of the 20×2 Character LCD Display, engineers and hobbyists can effectively leverage its features to create efficient and user-friendly systems across a wide range of applications.
Disegno
Descrizione del pin
| Numero pin | Simbolo | Funzione |
|---|---|---|
| 1 | Contro | Terra |
| 2 | VDD | Supply voltage for logic |
| 3 | V0 | Regolazione del contrasto |
| 4 | La RS | Register select signal |
| 5 | R/N | Read / write signal |
| 6 | E | Abilita segnale |
| 7-14 | Da DB0 a DB7 | Data bus line |
| 15 | UN | Backlight LED+ |
| 16 | E | Backlight LED- |
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Domande frequenti
The 20×2 Character LCD Display has the following key specifications: 20 characters per line and 2 lines of display, a 4.9-inch display size, and a model dimension of 146x43x13.7 mm. It operates at 3.3V or 5V, features an SPLC780D control IC, and offers two display modes: STN (Blue/Yellow-Green) and FSTN (Gray).
The display operates with a voltage range of Da 3,3 V a 5 V, rendendolo compatibile con un'ampia gamma di sistemi di microcontrollori.
The display supports two modes:
- STN (Blue/Yellow-Green) for high visibility in well-lit environments.
- FSTN (Gray) for improved contrast and readability in low-light conditions.
Yes, the 20×2 Character LCD Display supports both Inglese E Japanese fonts, making it suitable for multilingual applications.
The display operates within a temperature range of da -20°C a +70°C, making it suitable for use in various environmental conditions.
Il display è dotato di un 20×2 character configuration, meaning it can display up to 20 characters per line across two lines of text.
The display can be powered using either 5V O 3,3 V, depending on the requirements of your system or microcontroller.
The display supports an 8-bit or 4-bit parallel interface for communication with the microcontroller. This is a standard interface commonly used in embedded systems.
The 20×2 Character LCD Display can be used in a variety of applications, including industrial control systems, elettronica di consumo, E automotive systems, where clear, concise textual output is needed.
The display can be safely stored within a temperature range of da -30°C a +80°C, ensuring durability even under extreme conditions.
