MCP2221A USB to GPIO ADC I2C Breakout Board enables direct control of OLED displays, color sensors, and LEDs from a computer. The board features a USB-to-UART/I2C converter, providing a versatile interface for various applications. Analog/digital GPIO pins function as 10-bit analog inputs (ADC) and include a 5-bit DAC output for enhanced functionality. The I2C interface facilitates communication with OLEDs, sensors, and PWM drivers, expanding the board's capabilities. Users can utilize GPIO for tasks such as flashing LEDs and reading switches or buttons, making it ideal for interactive projects. The MCP2221A USB to GPIO ADC I2C Breakout Board is a compact and powerful tool for interfacing with various electronic components. With its small size of 27mm x 17.7mm x 5mm, it is perfect for projects where space is limited. The board's ability to convert USB signals to UART and I2C allows for seamless communication with a wide range of devices. Whether you're looking to drive a tiny OLED display, read data from sensors, or control LEDs, this breakout board provides the necessary functionality to bring your projects to life. Color: As Shown Material: PC Package Contents: 1*ADC Analog to Digital Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.