20x4 LCD Module with Pre-Soldered I2C Backpack Adapter (PCF8574)

20x4 Character LCD with Pre-Soldered I2C Backpack

Enables full 80-character multi-line telemetry displays on Arduino and Raspberry Pi using only 2 I2C bus pins. Features onboard blue contrast adjustment pot and backlight enable jumper.

Specifications

• Display: 20×4 Alphanumeric LCD
• Serial Backpack: Pre-soldered PCF8574 I2C adapter
• I2C Address: 0x27 / 0x3F
• Supply: 5V DC
• Only 4 wires needed: GND, VCC, SDA, SCL