you can use this ADC breakout for the microcontrollers do not have ADC unit or to get higher resolution for analog measuring.
The product is able to measure analog signals with 12-bit resolution with MCP4725 IC. It is possible to operate this breakout with both 5 V and 3.3V logic levels. It measures between zero and the supply voltage and communicates between the microcontroller using I2C interface. It is possible to change the I2C device ardess between 0x62 and 0x63. You can write any value to the internal EEPROM and get an output equals to this value from Vout pin.
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