1. Easy prototyping: Quickly start your project through a universal USB to GPIO interface. This powerful tool is perfect for developers and enthusiasts to quickly iterate and test devices using I2C or general-purpose digital and analog I/O without the need for complex firmware development. It simplifies the data transmission process between sensors, displays, or other components, making the development process smoother and more efficient. 2. Advanced integration: Using the robust MCP2221A chip, our MCP2221A breakthrough board is the best solution for seamless device communication. Equipped with a USB C interface and an onboard 3V regulator, it provides a simple way to integrate I2C connections through a 3V power supply and logic level. This breakthrough board simplifies the complexity of device integration and provides a reliable platform for your innovative projects. 3. Multi functional connectivity: Expand the potential of your project through our multifunctional USB to GPIO adapter. It is compatible with for Stemma QT/Qwiic interfaces and can easily connect to any sensor or chip with matching ports. The adapter also supports I2C devices through adapter cables, achieving solder free connections and expanding the application scope of the project without the need for extensive hardware modifications. 4. Easy Conversion: Use our user-friendly USB to GPIO converter to enhance project functionality. This device not only simplifies the data transmission process between the development system and electronic components, but also enhances the adaptability of the project. 5. Simplify the project: Enhance your electronic projects through our USB to GPIO module board. This is a compact and efficient solution suitable for various development needs. Its 4-pin JST interface ensures a reliable I2C connection powered by 3V, making it an ideal choice for developers seeking hassle free enhancement projects. What is the function of MCP2221 chip? This chip from is similar to a USB to serial interface converter chip, but adds GPIO and I2C interfaces. Its analog/digital GPIO pins can be used as 10 bit analog inputs (ADCs) or even 5-bit outputs. The I2C interface is very suitable for communication with OLED displays, sensors, PWM drivers, etc., and is the most popular interface in small devices. You can use GPIO to implement functions such as flashing LEDs, reading switches or buttons, etc. Chip: MCP2221A Power supply voltage: 3 V Connector interface: TYPE-C interface Working temperature range:- 40°C - 85°C Colour:Black Material:Metal+Plastic Package Contents: 1 x Adapter Module 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.