SMS0301C3 liquid crystal display module is a digital pen segment type liquid crystal display module produced by Sunman Electronics Co., Ltd. It adopts digital pen segment type liquid crystal display, can display 3 digits and 6 segment prompts, wide voltage working range, micro power consumption, simple LED point backlight, with MCU single chip microcomputer using three line serial port connection, widely used in handheld instruments.
This manual describes the SMS0301C3 LCD display module, which can show three digits, two decimal points, and six segment indicators. It operates with low power consumption and a three‑wire serial interface.
Key technical data such as operating voltage, backlight current, character height, temperature range, pin functions, and physical dimensions are listed, along with a pin‑mapping table for easy integration. This manual is written in Chinese.
| Display capacity | 3 digits + 2 decimal points + 6 segment indicators |
|---|---|
| Operating voltage | 2.7–5.5 V |
| Backlight current | 10 µA |
| Interface type | Three‑wire serial interface (CA type) |
It can display three digits, two decimal points, and six segment indicators.
The module operates from 2.7 V to 5.5 V.
The backlight draws about 10 µA.