SMS0733B LCD module is a low-power digital pen-segment type LCD module that can display 7 digits and 1 decimal point. It is widely used in handheld instruments and intelligent display instruments.
The SMS0733B is a 7‑segment LCD module with one decimal point, designed for low power consumption and a wide operating temperature range. It is suitable for digital clocks, handheld devices, and other electronic displays.
The datasheet lists technical parameters such as operating voltage, backlight voltage, character height, viewing angle, and temperature limits, as well as the 3‑wire serial (B‑type) interface and a complete pin‑function mapping table. This manual is written in Chinese.
| Display capacity | 7 digits + 1 decimal point |
|---|---|
| Operating voltage | 4.8~5.2 V |
| Backlight voltage | 4.2 V |
| Backlight current | 30 mA |
| Character height | 11.0 mm |
| Operating temperature | -20~+70 °C |
| Storage temperature | -40~+85 °C |
| Interface type | 3‑wire serial (B‑type) |
| Module dimensions | 45.0 mm × 44.0 mm × 43.0 mm |
The module operates from 4.8 V to 5.2 V.
It can display 7 digits plus one decimal point.
It uses a 3‑wire serial interface (B‑type).
cs is chip‑select, clk is serial shift clock, nl is data input, Vss is ground, Vpp is positive supply, BL_A is backlight positive, and BL_K is backlight control.