Mataji Electronics

The “jumbo” variant is a larger‑character version of the standard 16×2 display, using the same HD44780/SPLC780D controller but with significantly enlarged glyphs—ideal for visibility from a distance (e.g., counters, clocks, public displays) 

• Display format: 16 characters × 2 lines (32 characters total)

• Character matrix: 5×8 dots each

• Character size:

  • ~4.8 × 8–9.6 mm per glyph (compared to ~3 mm in standard modules) 

• Module dimensions:

  • Approx. 122.0 × 44.0 × 14.0 mm 

• Viewing area:

  • Roughly 99 × 24 mm (active area) 

• Dot pitch (pixel pitch):

  • ~0.98–1.15 mm 

• Backlight options:

  • Blue, yellow‑green, or white LED backlight choices 

• Controller:

  • SPLC780D (fully HD44780-compatible)

• Interface:

  • Standard 16‑pin parallel (supports 4-bit or 8-bit mode)

• Power:

  • Operates at 5 V DC

  • Typical current draw ~1.5 mA (without backlight) 

• High visibility from longer distances thanks to enlarged characters

• Compatibility with Arduino, Raspberry Pi, PIC, STM32 using standard HD44780 libraries

• Low power consumption and easily dimmable backlight

• Robust and cost-effective solution for medium-distance readable displays

• Public displays: e.g. queue management or service counters

• Industrial readouts: clear visibility in control panels

• DIY clocks and timers: easy viewing from several meters away

• Educational and signage applications: improves readability in classrooms, makerspaces, and workshops

The JHD Jumbo 16×2 LCD costs 290+gst.It  is a great pick for projects that need big, readable characters without moving to a full graphic display. It remains a drop-in replacement for hobby or industrial setups using HD44780-based code.

• Display Layout:16 characters wide and 2 rows, totaling 32 characters. 
• Appearance:Displays white text on a vibrant blue background for excellent contrast and readability. 
• Backlight:Equipped with a single LED backlight that can be dimmed using a resistor or PWM for adjustable brightness. 
• Control:Operates with a low pin requirement, typically needing only 6 digital lines for control, making it easy to interface with microcontrollers. 
• Compatibility:Seamlessly integrates with common platforms like Arduino, AVR, PIC, and STM32 due to its reliance on the HD44780 standard. 
• Applications:Widely used in projects requiring clear text display, such as displaying sensor data, system status, or messages in embedded systems and automation projects. The 16x2 Jumbo Character LCD Display by JHD is a high-contrast, alphanumeric display module designed for clear and readable text output, featuring a 16-character by 2-row layout, white text on a blue background, and an integrated LED backlight. Built on the HD44780 controller, it's compatible with various microcontrollers like Arduino, AVR, PIC, and STM32, and supports both 4-bit and 8-bit parallel communication for flexible interfacing. Key features and characteristics:
  • Display Layout:16 characters wide and 2 rows, totaling 32 characters. 
  • Appearance:Displays white text on a vibrant blue background for excellent contrast and readability. 
  • Backlight:Equipped with a single LED backlight that can be dimmed using a resistor or PWM for adjustable brightness. 
  • Control:Operates with a low pin requirement, typically needing only 6 digital lines for control, making it easy to interface with microcontrollers. 
  • Compatibility:Seamlessly integrates with common platforms like Arduino, AVR, PIC, and STM32 due to its reliance on the HD44780 standard. 
  • Applications:Widely used in projects requiring clear text display, such as displaying sensor data, system status, or messages in embedded systems and automation projects. 

The 20x4 JHD LCD display costs 330+gst.It is a character-based alphanumeric display made by JHD (Jing Handa Electronics), popular for use in embedded systems like Arduino, Raspberry Pi, and AVR microcontrollers.

• 80 characters total (20 per line × 4 lines)

• Fully compatible with popular libraries like LiquidCrystal (Arduino)

• Custom character support via CGRAM (up to 8 user-defined characters)

• Excellent readability and contrast with LED backlight

• Available with I2C backpack for simplified 2-wire communication

• Industrial and lab instruments

• DIY clocks and weather stations

• Home automation panels

• Menu navigation systems

• Robotics and control interfaces

If you'd like a wiring guide, code example (Arduino or other MCU), or info on I2C integration

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

• Display format: 16 characters × 2 lines (total 32 characters) 

• Controller: SPLC780D, HD44780-compatible — supports 4-bit and 8-bit parallel interface 

• Character matrix size: approx. 5×8 dots per character; each glyph ≈ 2.95 × 4.35 mm 

• Overall dimensions: around 80 × 36 × 10–14 mm; viewing area ~64.5 × 14.5 mm 

• Yellow/Green backlit: Black text on yellow-green backlight 

• Blue backlit (negative STN): White text on blue background 

• Green backlit version also available, offering traditional green background with black text 

Backlight brightness is typically adjustable via PWM or resistor (~15 mA draw) . The display core draws ~1–2 mA (without backlight) .

• Operating voltage: 5 V

• Interface: Requires 6–10 digital I/O pins (RS, RW, E, plus D4–D7 for 4-bit mode; optionally D0–D3 for 8-bit) 

• Contrast adjustment: Via onboard potentiometer

• Communication: Compatible with standard HD44780 instructions and libraries

Ideal for:

• Sensor readouts (temperature, humidity, pressure)

• Status/debug panels

• DIY clocks, counters, control systems

• Educational and industrial prototypes 

It's reliable, affordable, and supported by countless tutorials and code samples. Common gotchas include ensuring correct contrast settings and wiring, especially when using I2C adapters .

• Proven quality: Genuine JHD modules are noted as being sturdier than cheaper clones

• Wide range: Multiple backlight colors and jumbo versions for better readability 

• Ease of interfacing: HD44780 compatibility makes it plug-and-play with most microcontroller libraries

The JHD 16×2 LCD (JHD659/JHD162A) is a staple in electronic projects—offering a crisp alphanumeric display, various backlight color options, easy HD44780-compatible interfacing, and robust performance. Whether you're displaying text, sensor data, or debugging information, this module is a go-to choice for makers and professionals alike.

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

Character LCD displays, or alphanumeric displays, can display letters (capital or non-capital), numbers, and punctuation. You can find this type of display in products such as vending machines, 3D printers, data loggers, etc

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

A 1.77-inch thin-film-transistor (TFT) display is a small, color liquid-crystal display (LCD) module commonly used in hobbyist electronics projects and compact devices. These displays are known for their compact size, vibrant color output, and low power consumption.

A meter display shows consumption and other electrical data for monitoring and billing purposes. Modern meter displays are electronic and use LED or LCD screens to provide a precise, easy-to-read, digital readout of parameters like voltage, current, and total energy use.

A 1.28-inch round LCD display is a compact, circular, full-color display, typically with a 240x240 pixel resolution and IPS panel for wide viewing angles. It features a GC9A01 driver chip and uses a 4-wire SPI interface, making it suitable for microcontrollers like Raspberry Pi and Arduino. These displays are commonly used in projects such as smartwatches, IoT devices, and wearable technology due to their small size and vivid visual capabilities. 

A UPS (Uninterruptible Power Supply) display is a feature on some UPS units that provides real-time monitoring of the system's status. This can include information on battery levels, load capacity, input/output voltage, and power usage. The display can be a simple digital readout or a more detailed LCD screen.

A solar inverter display shows key performance data for your solar system, including real-time power output, total energy produced, and the system's operational status. Different models may have unique interfaces, but most include a digital screen and LED indicator lights.

A digital elevator display is an electronic screen, typically an LCD or LED panel, installed inside the elevator car or in the lobby area. These displays go beyond simple floor and direction indicators by providing engaging multimedia content to a captive audience. 

An industrial LCD display is a rugged, reliable Liquid Crystal Display engineered for harsh environments, unlike a standard consumer screen. They are designed to withstand extreme conditions, including temperature fluctuations, moisture, dust, and vibration, for use in demanding applications like manufacturing, transportation, and healthcare. 

JHD LCD displays are a type of character LCD module commonly used in electronics projects, particularly with Arduino. They are known for being affordable and easy to interface with microcontrollers. JHD offers various models, including 16x2 and 16x4 displays, with different backlight colors like blue or yellow.

A 2.42-inch OLED display is a compact, monochrome display module often used in DIY electronics projects and embedded systems. They are popular for their high contrast, sharp resolution, and self-lighting pixels, which means they don't require a backlight. 

A 1.54-inch OLED display is a small, compact organic light-emitting diode screen commonly used in electronics projects. It offers high contrast and crisp visuals and is a popular choice for use with microcontrollers like Arduino, Raspberry Pi, and ESP32

Industrial LED displays are rugged, durable, and highly visible digital screens designed for use in harsh factory and warehouse environments. They communicate key metrics like production data, safety information, and machine status to enhance efficiency and safety on the shop floor. Unlike commercial displays, industrial models feature robust hardware and advanced ingress protection to withstand dust, moisture, and vibrations.

An automotive head-up display (HUD) gives information to drivers at eye level, enabling them to continue looking at the road while also having access to vehicle speed and other information.

A dashboard display is a visual interface that organizes and presents key data, metrics, and information in a consolidated view. It is designed to provide users with an at-a-glance summary, enabling them to quickly monitor performance, identify trends, and make informed decisions.

A digital weight display is the screen and interface on an electronic weighing scale that shows the final weight measurement. The display is the last step in a multi-part process, which includes a load cell that converts physical force into an electrical signal and a microprocessor that processes and converts that signal into a readable digital format.