This document describes the features and technical parameters of the SMS0523 LCD display module, including display capacity, operating voltage, operating current, font height, viewing angle, etc., as well as interface signal description and physical dimensions. The module uses a digital segment LCD display, which can display 5 digits and 4 Chinese characters, and is widely used in smart water meters.
This manual describes the Sunman SMS0523 liquid‑crystal display (LCD) module, which can show numeric digits, Chinese characters and a decimal point. It is designed for use with microcontrollers via a two‑wire serial interface and is commonly applied in smart water meters.
Key information includes the module's electrical parameters, physical dimensions, pin assignments, and address mapping table, along with a reference to the product web page for further details. This manual is written in Chinese.
| Module working voltage | 5.5 V ~ 7 V |
|---|---|
| Character height | 11 mm |
| Working temperature range | -16 °C ~ +55 °C |
| Display mode | Reflective positive display |
| Interface type | Two‑wire serial interface |
| Dimensions | 80 mm × 6.7 mm |
It uses a two‑wire serial interface.
The module operates from 5.5 V to 7 V.
It can display s digits, 4‑segment Chinese characters, and 1 decimal point.