MCP4725 DAC Arduino Tutorial | 12-Bit Digital-to-Analog Converter | Waveform Generator
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This post is about interfacing of MCP4725 12-Bit DAC (Digital-to-Analog Converter) Module with Arduino. Using the MCP4725 12-Bit Digital-to-Analog Converter Module, we can generate various analog voltages. This can be helpful in generating various waveforms.
Microcontrollers, like the Arduino, are skilled at handling digital tasks, but sometimes we need them to work with the analog world. That’s where DACs (Digital to Analog Converters) come into play. The MCP4725 is a popular DAC choice for Arduino enthusiasts. It’s a 12-bit module, meaning it can translate digital signals into a range of 4096 distinct analog voltages, anywhere from 0V to 5V.
Arduino’s built-in PWM (Pulse Width Modulation) can mimic analog behavior, but it’s not true analog output. For tasks needing genuine analog voltages, like controlling motor speeds or adjusting LED brightness accurately, MCP4725 is a game-changer.
In this guide, we will use MCP4725 with Arduino to generate various Analog Voltages. Then, we will develop an Arduino code to generate various waveforms like Sine, Square, and Triangle. The waveforms will be observed in the Oscilloscope and hence accuracy along with performance can be checked.
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