The SMS0505E LCD display module is a digital pen segment LCD display module produced by Sunman Electronic Co., Ltd. It adopts a digital pen segment LCD display and can display 5 digits, 4 segments of Chinese characters, and 1 decimal point. The module has a wide voltage working range, low power consumption, and a two-wire serial interface connection with the MCU. It is widely used in smart gas meters.
The Sunman SMS0505E is a liquid crystal display module that can show numeric digits, decimal points, and limited characters with low power consumption. It is designed for use with micro‑controllers via a three‑wire serial interface.
The manual provides technical parameters, pin‑out mapping, electrical interface definitions and the physical dimensions of the module, along with a reference to the product webpage for further information. This manual is written in Chinese.
| Interface type | Three‑wire serial interface |
|---|---|
| Working voltage | <1.0 A |
The signal named pi is the serial data input.
The enable pin is called roap.