The CJMCU MCP4725 I2C DAC Breakout Development Board is a compact digital-to-analog converter module designed to generate an adjustable analog voltage from digital data. It is based on the MCP4725 DAC and provides an easy way to add analog output capability to microcontrollers and development boards that may not have a dedicated DAC.
The module communicates with a host controller through the I2C interface, requiring only the SDA and SCL communication lines along with power and ground. This makes it suitable for Arduino, ESP32, Raspberry Pi, and other microcontroller or single-board computer projects that support I2C communication.
The MCP4725 provides 12-bit digital-to-analog conversion, allowing the controller to generate a range of discrete analog output levels. The board is useful for applications such as waveform generation, voltage control, sensor simulation, audio experiments, instrumentation, motor control references, and other projects requiring programmable analog voltage.
The compact breakout-board design makes the module convenient for prototyping and development. It can be connected to a breadboard or custom PCB using its available header connections, making it suitable for hobby electronics, educational projects, laboratory experiments, and embedded system development.

Key Features

Specifications:
Product Name: CJMCU MCP4725 I2C DAC Breakout Development Board
Product Type: Digital-to-Analog Converter Module
DAC IC: MCP4725
Resolution: 12-Bit
Interface: I2C
Communication Lines: SDA and SCL
Output Type: Analog Voltage
Reference: Internal DAC Reference
I2C Address: Configurable/Depends on Board Configuration
Power Supply: Depends on Board Version
Logic Voltage: Depends on Board Version
Output Range: Depends on Supply Voltage and DAC Configuration
DAC Channels: 1
Mounting: Breakout Board
Applications: Arduino, ESP32, Raspberry Pi, Analog Signal Generation, Voltage Control, Sensor Simulation, Waveform Generation, Instrumentation, Motor Control and DIY Electronics
Package Includes: 1 × CJMCU MCP4725 I2C DAC Breakout Development BoardCJMCU MCP4725 I2C DAC Module
12-Bit Digital-to-Analog Converter
I2C Communication Interface
Programmable Analog Voltage Output
Compact Breakout Board Design
Uses MCP4725 DAC IC
Suitable for Arduino Projects
Suitable for ESP32 Projects
Suitable for Raspberry Pi Projects
Compatible with I2C-Compatible Controllers
Simple Two-Wire Communication
Useful for Analog Signal Generation
Suitable for Voltage Control Applications
Useful for Sensor Simulation
Suitable for Waveform Generation
Useful for Instrumentation Projects
Suitable for Embedded Systems
Useful for Motor Control References
Suitable for Audio Experiments
Useful for Electronic Prototyping
Breadboard-Friendly Design
Compact and Lightweight
Suitable for DIY Electronics
Useful for Educational Projects
Suitable for Laboratory Experiments