SKU: DFR0645-R
This 4-digit 7 segment display module has two colors to choose: red and green. It supports 8-level brigthness adjustment and can be drived via two normal I/O ports. Standard IIC pins, compatible with Gravity interface, free from MCU scanning.
1. Example Code for Arduino-Digital Tube Display
Display experiment of the digital tube. Users can learn how to use the DFR0645 module to display characters and variable values on a 4-digit 7-segment display, including initializing the module, setting the display area, and printing characters/decimal values.
Reference
| Parameter | Description |
|---|---|
| Power Supply | DC 5V |
| Two Display Modes | 8 segment × 4-digit and 7 segment × 4-digit |
| Operating Current | < 55mA |
| Brightness Adjustment | Provides 8-level Brightness Adjustment |
| Interface | High-speed 2-wire Serial Interface |
| Built-in Circuits | Clock Oscillation Circuit |
| power-on Reset Circuit |
| Name | Function |
|---|---|
| SDA | Date Line |
| SCL | Control Line |
| GND | Positive |
| VCC | Negative |
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