Robokreeda 16×2 I2C LCD Display Module (HD44780 PCF8574) The easiest way to add a clear, bright 16×2 character display to your Arduino, ESP32, Raspberry Pi, or any microcontroller — using only 2 wires (I²C)! Key Features Classic 16 characters × 2 lines LCD (HD44780 compatible) Built-in PCF8574 I2C expander – saves 6 GPIO pins Default I2C address: 0x27 (jumper selectable 0x20–0x27) Adjustable contrast via onboard potentiometer Bright white text on blue backlight (backlight on/off controllable) 5V tolerant (works perfectly with 3.3V & 5V boards) Supports full ASCII character set custom characters Plug-and-play with LiquidCrystal_I2C library Technical Specifications Operating Voltage: 5V (backlight), 3.3V–5V logic Current Consumption: ~20 mA (backlight off), ~120 mA (backlight on) Viewing Area: 64.5 × 16 mm Character Size: 2.96 × 5.56 mm Dimensions: 80 × 36 × 12 mm Interface: 4-pin (VCC, GND, SDA, SCL) Applications Project status displays Sensor data readouts (temperature, humidity, voltage) Menu interfaces & clocks DIY multimeters & timers Home automation dashboards Package Includes 1 × Robokreeda 16×2 I2C LCD Module 1 × 4-pin male header (unsoldered) Just two wires, endless possibilities — Robokreeda 16×2 I2C LCD: the smartest, simplest display upgrade for your next project!
