SMS1218 is a digital pen segment type LCD module that can display 12 digits and 7 segment prompts and 12 decimal points. Low power consumption, with MCU single chip microcomputer using three-line serial port connection, widely used in telephone meters, intelligent display instruments.
This document provides an overview of the Sunman SMS1218 LCD display module, a 12‑digit numeric and 7‑segment symbol display with 12 decimal points. It outlines the module’s low‑power operation and three‑wire serial interface for connection to an MCU.
Technical details include the module’s voltage range, current consumption, temperature limits, physical dimensions, pin functions and address mapping, as well as a reference link to the product page. This manual is written in Chinese.
| Display capacity | 12 digits with decimal points + 7‑segment symbols |
|---|---|
| Relative humidity (max) | < 85 % |
| Operating temperature range | -20 °C – +60 °C |
| Display mode | Reflective, positive display |
| Interface type | Three‑wire serial (Be type) |
It uses a three‑wire serial interface (Be type).
It works between –20 °C and +60 °C.
It can display 12 digits, 7‑segment symbols and 12 decimal points.