MCP4725 I2C DAC Breakout Module Development Board For ArduinoFeature:The CJMCU-MCP4725 is an I2C controlled Digital-to-Analog converter (DAC)Allows you to send analog signal、 such as a sine wave、 from a digital source、 such as the I2C interface on the Arduino microcontrollerDigital to analog converters are great for sound generation、 musical instruments、 and many other creative projectsI2C Interface (Standard、 Fast、 and High-Speed supported)Internal EEPROM to store settingsResolution: 12 BitPower supply: 2.7V to 5.5VBoard size: 15 x 15mmPackage includes:1 x Breakout module