SMS0933 is a digital pen segment LCD display module that can display 9-digit numbers and 29 segment prompts. It uses a low-power LCD display and is widely used in voice classrooms.
The SMS0933 is a liquid‑crystal display module that can show five numeric digits together with segment indicators. It operates with low power consumption and uses a three‑wire serial interface for connection to a microcontroller.
Key specifications include a 5‑digit display capacity, 5.0 V operating voltage (300 mA), reflective LCD type, and defined pin functions such as CS, CRK, PI, VSS and VPP. Physical dimensions and a pin‑mapping table are also provided. This manual is written in Chinese.
| Display capacity | 5‑digit numeric with segment indicators |
|---|---|
| Operating voltage | 5.0 V (300 mA) |
| Display type | Reflective LCD |
| Interface type | Three‑wire serial |
| Pin CS function | Chip select input |
| Pin CRK function | Serial shift register input |
| Pin PI function | Serial data input |
| Pin VSS function | Ground |
| Pin VPP function | Positive supply |
It can display five numeric digits together with segment indicators.
The module operates at 5.0 V with a current of about 300 mA.
It uses a three‑wire serial interface.