SMS0719B liquid crystal display module is a digital pen segment liquid crystal display module, which can display 7-bit digital and 20 groups of prompts, low power consumption, and is widely used in voice classrooms with MCU single chip microcomputer using three-wire serial interface.
This manual describes the Sunman SMS0719B LCD display module, a low‑power, three‑wire serial LCD designed for use with microcontrollers such as the WCU series. It outlines the module's features, typical applications, and basic operation.
Technical data include operating voltage, current consumption, display format, viewing angle, temperature ranges, physical dimensions, and pin‑out mapping. The document also provides the serial interface signal definitions and wiring diagrams needed for proper connection. This manual is written in Chinese.
| Operating Voltage | 4.s ~s av |
|---|---|
| Operating Current | 300H A (5.0V) |
| Display Mode | Reflective positive display |
| Interface Type | Three‑wire serial interface (e‑type) |
It uses a three‑wire serial interface (e‑type).
The module operates from approximately 4.s to s av volts.
It draws about 300 mA when powered at 5.0 V.