0.42-Inch OLED Display Module with 72×40 Dot Matrix Pixels

This 0.42-inch OLED display features a 72 × 40 dot matrix, COG construction, and a 16-pin connection. White or blue display options are listed, with 4-wire SPI or I2C configurations for compact status and information displays.

This 0.42-inch OLED display is a compact COG module for presenting text, symbols, and status information in space-constrained electronic products. Its 72 × 40 dot matrix and 9.196 × 5.18 mm active area provide a small display format for equipment indicators, handheld instruments, and compact control panels.

For integration, the supplied specifications list 4-wire SPI or I2C interface options and a 16-pin connection. White and blue display options are also listed. Before ordering, confirm the selected configuration, driver IC, pin assignments, and electrical requirements so the module can be evaluated against the intended hardware and firmware design.

Product Type	OLED Display Module
Display Technology	OLED
Screen Size	0.42 inches diagonal
Resolution	72 × 40 pixels
Active Area Dimensions	9.196 × 5.18 mm
Module Construction	Chip-on-Glass (COG)
Display Color Options	White or Blue; configuration dependent
Interface Options	4-wire SPI or I2C; configuration dependent
Pin Count	16