What is causing the fatal error: MCP4725.h in my Arduino code?

  • Thread starter Thread starter Nate Duong
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SUMMARY

The fatal error encountered by Nate Duong while uploading Arduino code to a Teensy board is due to the missing MCP4725.h file, which is essential for interfacing with the MCP4725 digital-to-analog converter. This header file contains necessary definitions and functions for the MCP4725 board. To resolve this issue, users must either include the MCP4725.h file in their project or remove any code that references it. Ensuring that the required library is installed and correctly referenced in the code is crucial for successful compilation.

PREREQUISITES
  • Understanding of Arduino programming and IDE usage
  • Familiarity with Teensy microcontroller boards
  • Knowledge of library management in Arduino, specifically for MCP4725
  • Basic concepts of digital-to-analog conversion
NEXT STEPS
  • Install the MCP4725 library in the Arduino IDE
  • Learn how to include external libraries in Arduino projects
  • Explore Teensy-specific programming techniques and libraries
  • Review error handling and debugging practices in Arduino code
USEFUL FOR

Arduino developers, electronics hobbyists, and anyone working with Teensy microcontrollers and digital-to-analog converters will benefit from this discussion.

Nate Duong
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Dear all,

I am working on Arduino and try to upload to Teensy, but when I uploaded, I had a problem with this message,

"Interface22.ino:32:21: fatal error: MCP4725.h: No such file or directory
compilation terminated.
Error compiling"Could you please help for the reason and how to solve this problem?

Thank you very much,



Nate Duong.
 
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Something in your program is referencing an MCP4725 board, and the MCP4725.h file describes its addresses, function, etc.

I don't know if there is an explicit include in your code, or whether it is being determined by the compiler. You need to add that file or eliminate the code that requires it.
 

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