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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | I2C Serial LCD Interface Module |
| Chipset | PCF8574 |
| Function | I2C to parallel conversion for LCD displays |
| Compatible Displays | 16×2, 20×4 character LCD modules (4-bit mode) |
| Operating Voltage | 5V |
| Default I2C Address | 0x3F (configurable via solder jumpers) |
| Expandable Modules | Up to 8 devices on a single I2C bus |
| Control Interface | I2C serial communication |
| Backlight Control | Enable/disable via jumper |
| Contrast Adjustment | Built-in potentiometer |
| Board Size | 41.6 mm × 19.2 mm |
| Key Features | Reduces GPIO usage, simplifies LCD wiring, multi-device I2C addressing |
| Applications | Arduino projects, embedded displays, instrumentation, user interfaces |
Package Includes:
1 x ESP8266 Adapter Plate
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Function
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