EA SER202-NLW is an electronic display module made by Eurotech Components Ltd. It is a small, low-power, dual-line character LCD module with a viewing area of 45mm x 15mm. It features a wide variety of features such as a high contrast display with a viewing angle of approximately 8°, LED backlight for visibility in darkened areas, I2C, SPI and UART serial communication, and support for both English and foreign character sets. It has an operating temperature range of -20°C to +70°C, making it suitable for a wide range of applications. The display is available in two formats: narrow and wide, and each format supports different font sizes and character sets. Its low power consumption allows it to be used in battery-operated devices and its ability to mount horizontally or vertically makes it easy to integrate into a variety of designs. EA SER202-NLW is a versatile and reliable display module that can be used in a wide range of applications.