[arduino code examples for DM4]-01 4 Channel DAC output by digital input buttons

Code:
// Basic demo for configuring the MCP4728 4-Channel 12-bit I2C DAC

#include <Adafruit_MCP4728.h>

#include <Wire.h>



Adafruit_MCP4728 mcp;

#define I2C_SDA 8   // SDA pin

#define I2C_SCL 18  // SCL pin



TwoWire MYI2C = TwoWire(0);

void setup(void) 

{

  



  Serial.begin(115200);

  while (!Serial)

    delay(10); // will pause Zero, Leonardo, etc until serial console opens





  Serial.println("Adafruit MCP4728 test!");



  MYI2C.begin(I2C_SDA, I2C_SCL,100000);



  // Try to initialize!

  if (!mcp.begin(MCP4728_I2CADDR_DEFAULT,&MYI2C)) {

    Serial.println("Failed to find MCP4728 chip");

    while (1) {

      delay(10);

    }

  }



  mcp.setChannelValue(MCP4728_CHANNEL_A, 4095);

  mcp.setChannelValue(MCP4728_CHANNEL_B, 2048);

  mcp.setChannelValue(MCP4728_CHANNEL_C, 1024);

  mcp.setChannelValue(MCP4728_CHANNEL_D, 0);

}



void loop() { delay(1000); }