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The LCD I2C module is an efficient alternative to standard parallel LCDs, using an I2C communication interface to reduce the number of required connections. This display is commonly used for simplifying wiring in projects, making it easier to integrate with Arduino, ESP8266, and Raspberry Pi. The I2C interface allows multiple devices to share the same communication bus, improving resource efficiency. It features a built-in adjustable contrast for enhanced readability. The LCD can display up to 16x2 or 20x4 characters, depending on the variant. With minimal wiring, it is perfect for compact embedded systems and IoT applications.