The SMS1207B LCD display module is equipped with a digital pen segment LCD display, capable of displaying 12-digit numbers, 8 segment prompts, and 12 decimal points. It is widely used in applications such as telephone billing meters and intelligent display instruments.
The SMS1207B is a single‑digit liquid crystal display module that can show one digit, one character and a decimal point. It operates with low power consumption and uses a three‑wire serial interface suitable for micro‑controller applications.
Key specifications include a reflective display type, 3‑wire serial (4‑pin) interface, operating current of about 1 mA (0.6 W), and a character height of approximately 1 mm. The manual also provides the pin‑mapping table and physical dimensions of the module. This manual is written in Chinese.
| Display capacity | 1 digit, 1 character, 1 decimal point |
|---|---|
| Operating current | 1 mA (0.6 W) |
| Character height | 1.0 mm |
| Display type | Reflective |
| Interface | 3‑wire serial (4 pins) |
It uses a three‑wire serial interface with four pins.
It can display one digit, one character, and one decimal point.
The module draws about 1 mA, corresponding to roughly 0.6 W.
It is a reflective LCD display.