SMS1202 LCD display module is a liquid crystal display module that can display 12 digits and 7 segment prompts and 12 decimal points. It is low-power and widely used in telephone meters, intelligent display meters, etc., with MCU single-chip microcomputers using a three-wire serial port.
The SMS1202 is a digital LCD display module that can show one numeric digit, segment characters and up to 12 decimal points. It is low‑power and connects to an MCU via a three‑wire serial bus, making it suitable for telephone meters and smart display applications.
The manual lists the module’s main technical parameters, such as operating voltage, current, display size and environmental limits, and describes the three‑wire serial interface (type A) and the address mapping used for data transmission. This manual is written in Chinese.
| Display capacity | 1 digit, segment characters, 12 decimal points |
|---|---|
| Operating voltage | 4.5 ~ 5.2 V |
| Best operating voltage | 5.0 V |
| Operating current | 1.5 mA (typical) |
| Character height | 11.7 mm |
| Viewing angle | ≈60° |
| Display mode | Reflective positive display |
| Interface type | Three‑wire serial interface (type A) |
It uses a three‑wire serial interface (type A).
The module operates from 4.5 V to 5.2 V.
It can display one numeric digit, segment characters and up to 12 decimal points.
The typical current consumption is about 1.5 mA.