Module I2C DAC Breakout CJMCU-MCP4725


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CJMCU-I2C DAC Breakout - MCP4725 Module Development Board

The MCP4725 is a single-channel 12 -bit buffered voltage output DAC with nonvolatile memory ( EEPROM ) . The user can store the configuration register bits ( 2 bits) and the DACinput data ( 12 bits) in the nonvolatile EEPROM ( 14 -bit) memory. By setting the configuration register bits, the DAC can be configured in either normal mode or power-saving shutdown mode. The device can use a 2- wire I2C- compatible serial interface and is poweredfrom a single supply with a voltage range of 2.7V to 5.5V .


Description: You've always wanted to output waveform voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The CJMCU-MCP4725 is an I 2 C controlled Digital-to-Analog converter (DAC) You to send analog signal, such as a sine wave, from a digital source, such as the I 2 C interface on the Arduino micro. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects!

This version of the CJMCU-MCP4725 Breakout fixes a few issues with the board including the IC footprint, the I 2 C pinout, changes the overall board dimensions to better fit your projects, and a few more minor tweaks. You will need access and use the MCP4725 including GND and Signal OUT pins for connecting oscillations or any other device you need to hook up to the board. Also on board are SCL, SDA, VCC, and another GND for your basic I 2 C pinout. Additionally, if you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this


  • 12-bit resolution
  • 2 C Interface (Standard, Fast, and High-Speed ​​supported)
  • Small package
  • 2.7V to 5.5V supply
  • Internal EEPROM to store settings