SMS2006B LCD display module is a half-transmissive and half-reflective positive display module using a digital pen-segment LCD, with the main features of low power consumption, and is widely used in taxi meters with four-wire serial communication with MCU single chip microcomputers.
The SMS2006B is a segment‑type liquid crystal display module designed for use with MCU microcontrollers via a four‑wire serial interface. It can show 20 numeric digits, 21 segment indicators, two time separators and two decimal points, making it suitable for applications such as taxi meters.
The manual lists the module's electrical characteristics, physical dimensions, address mapping table and serial communication protocol, enabling developers to integrate the display into their systems with correct voltage, timing and wiring. This manual is written in Chinese.
| Display capacity | 20 digits + 21 segment indicators + 2 time separators + 2 decimal points |
|---|---|
| Operating voltage | 4.8 V ~ 5.2 V (typical 5.0 V) |
| Character height | 12 mm |
| Viewing angle | 12° |
| Operating temperature range | -20 °C ~ +70 °C |
| Storage temperature range | -40 °C ~ +80 °C |
| Interface type | Four‑wire serial communication |
The module operates from 4.8 V to 5.2 V, with a typical voltage of 5.0 V.
It can display 20 numeric digits together with segment indicators and other symbols.
The module uses a four‑wire serial communication interface.
The recommended operating temperature is from –20 °C to +70 °C.