Gravity: MCP4725 12-Bit I2C DAC Module

1. Example Code for Arduino-Calibration and Adjustable Analog Voltage Output

The article offers an in-depth guide on calibrating and adjusting analog voltage output using Arduino and the MCP4725 DAC module. It covers essential hardware and software preparation, provides a wiring diagram, and includes sample code for accurate voltage output. The guide helps in eliminating output errors due to inaccurate reference voltage and provides a step-by-step calibration process using a digital multimeter.

2. Example Code for Arduino-Store the DAC Value in EEPROM

A guide for Arduino enthusiasts on how to store DAC values in EEPROM, includes hardware requirements, software setup, wiring instructions, and sample code to output and store analog voltage values using the MCP4725 library.

3. Example Code for Arduino-Output a Sine Wave

How to generate a sine wave using Arduino and MCP4725 DAC, detailing hardware/software setup, wiring, sample code, and results, enabling users to customize amplitude, frequency, and DC offset.

4. Example Code for Arduino-Output a Triangle Wave

How to use Arduino and the MCP4725 DAC module to output a triangle wave, providing detailed hardware and software setup instructions, sample code, and guidance on adjusting waveform parameters such as amplitude, frequency, DC offset, and duty cycle.

5. Example Code for Raspberry Pi-Store the DAC Value in EEPROM

The guide of storing DAC values in the EEPROM of a Raspberry Pi using the DFRobot Gravity 12-Bit I2C DAC Module. It details the necessary hardware and software preparations, connection setup, and provides sample code for implementation. The result is a consistent analog voltage output that is retained even upon repowering, showcasing the module's ability to recall stored values and output them effectively.

6. Example Code for Raspberry Pi-Calibration and Adjustable Analog Voltage Output

A detailed guide on calibrating and adjusting the analog voltage output of a Raspberry Pi using a 12-Bit I2C DAC module. It covers necessary hardware and software preparations, wiring diagrams, and step-by-step Python code execution, ensuring accurate voltage output. The guide also includes methods to modify Python programs using IDLE or nano editor, and emphasizes the importance of precise calibration with a multimeter to achieve desired voltage levels.

7. Example Code for Raspberry Pi-Generate a Sine Wave

This article guides users through generating sine waves using a Raspberry Pi and a 12-Bit I2C DAC Module, covering hardware setup, software installation, wiring diagram, and code execution to observe and adjust waveform characteristics.

8. Example Code for Raspberry Pi-Generate a Triangle Wave

Generate a triangle wave with adjustable amplitude, frequency, DC offset, and duty cycle on Raspberry Pi.