Description
| Specification | Details |
|---|---|
| Interface | IIC/I2C Serial Interface |
| Compatible Displays | Compatible with 16×2 and 20×4 Character LCD Modules |
| Communication Protocol | Standard I2C – Uses Only 2 Data Pins (SDA, SCL) |
| Operating Voltage | 5V DC |
| Adjustable Contrast | Yes – Via Onboard Potentiometer |
| Onboard Chip | PCF8574 I2C I/O Expander |
| Compatibility | Arduino UNO, Nano, Mega, Raspberry Pi, ESP8266, ESP32 |
| Use Case | Reduces Pin Usage – Ideal for Projects with Limited GPIO |
| Address Config | Selectable I2C Address via Jumpers |
| Application | IoT, embedded systems, hobby projects, and educational kits |
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