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I2C LCD Module Adapter
SKU: ARD-0124-L03
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Short Description
Standard HD44780-compatible character LCD displays (16x2 and 20x4) can be converted from a parallel interface to an I2C serial interface using the I2C LCD Module Adapter, a small interface card.
Based on the PCF8574 I/O expander, it decreases the number of microcontroller pins required from up to seven to just two (SDA and SCL), simplifying wiring an
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Specifications:
Operating Voltage: 5V DC.
Chipset: PCF8574 I/O Expander.
Interface: I2C (SDA/SCL).
I2C Address Range: 0x20 to 0x27.
Default address: 0x20.
Configurable via onboard jumper pins.
Compatible Displays: HD44780-based LCDs (e.g., 1602, 2004).
Contrast Control: Onboard potentiometer.
Backlight Control: Jumper-enabled.
Mounting: Soldered directly to LCD or connected via header pins.
Applications: Arduino, Raspberry Pi, STM32, ESP8266/ESP32 projects.