The 16×2 LCD with I2C module is a popular and efficient character display that shows 16 characters over 2 lines, now enhanced with an I2C (Inter-Integrated Circuit) backpack to reduce the number of required microcontroller pins. Perfect for Arduino, Raspberry Pi, and other microcontrollers, it’s a staple for DIY and embedded projects.
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Key Features:
✔ Display: 16 characters × 2 lines
✔ Interface: I2C (Only 2 pins – SDA & SCL)
✔ Operating Voltage: 5V
✔ Backlight: LED backlight with contrast control (via onboard potentiometer)
✔ I2C Address: Typically 0x27 or 0x3F (adjustable via solder pads)
✔ Easy to Use Libraries: Supported by LiquidCrystal_I2C for Arduino
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