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NHD-0420CW-AW3

NHD-0420CW-AW3

Newhaven Display Intl
Character Display Module 5 x 8 Dots OLED Parallel, 8-Bit, I2C, SPI 92.00mm x 31.50mm x 6.50mm
Active1,049 in stock
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Overview

The NHD-0420CW-AW3 is a 20x4 character OLED display module featuring a white-on-black high-contrast interface. It utilizes the US2066 controller to support multiple communication protocols including 4/8-bit parallel, SPI, and I2C, making it a flexible drop-in upgrade for traditional liquid crystal displays.

Why Choose This Part

This module offers a superior contrast ratio compared to STN displays and operates efficiently with a typical run current of 70mA at 5V. Its support for I2C and SPI allows engineers to save microcontroller I/O pins, while the slim 6.50mm depth facilitates compact enclosure designs.

Applications

Industrial Instrumentation
Used in control panels and monitoring equipment where wide viewing angles and high legibility are required in low-light environments.
Test and Measurement
Ideal for handheld diagnostic tools that require a thin profile and fast response times across a wide temperature range from -40C to +85C.
Embedded Systems UI
Integrates into 5V or 3.3V systems to provide user feedback with minimal software overhead compared to graphical displays.

Key Specifications

Dot Size 0.57mm W x 0.57mm H
Interface Parallel, 8-Bit, I2C, SPI
Text Color White
Display Type OLED
Viewing Area 72.42mm L x 22.82mm W
Character Size 4.77mm H x 2.97mm W
Display Format 20 x 4
Controller Type US2066
Background Color Black
Character Format 5 x 8 Dots
Voltage - Supply 2.4V ~ 5.5V
Outline L x W x H 92.00mm x 31.50mm x 6.50mm
Number of Characters 80.0
Operating Temperature -40degC ~ 85degC

Getting Started

To begin development, connect the display via the 20-pin interface and select the desired protocol (I2C, SPI, or Parallel) by configuring the hardware jumpers. The US2066 controller is software-compatible with common HD44780 command sets, allowing for easy integration with existing character LCD libraries.

Part of Newhaven OLED Displays family » NHD-0420CW

NHD-0420CW Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Text Color Outline L x W x H Stock
NHD-0420CW-AW3 (this part) White 92.00mm 1,049
NHD-0420CW-AB3 Blue 92.00mm 2,508
NHD-0420CW-AG3 Green 92.00mm 693

Also Consider

NHD-0420CW-AB3 Newhaven Display Intl - Blue text version of the same 20x4 OLED module for applications requiring a different aesthetic.