I2C LCD Driver Module for Arduino/ I2C Module for 16x2 LCD Display
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The I2C LCD Driver is a versatile solution for driving LCD 1602 or LCD 2004 displays using the I2C communication protocol. This board helps reduce the number of pins used for the connection between the LCD module and an Arduino board, simplifying your circuit design. With an operating voltage of 5V DC, it is suitable for a wide range of Arduino projects. The contrast adjustment potentiometer ensures optimal display quality, while the jumper cap for backlight allows you to control the display brightness. The PCF8574 chip provides a reliable and efficient driving mechanism, and the I2C address is selectable, with the default set at 0x27.
1. What voltage does this board operate on?
2. What LCD modules are compatible with this driver?
3. How do I adjust the LCD contrast?
4. Can the I2C address be changed?
5. What is the size of this board?
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