What are the steps to set up Code::Blocks for an Arduino project?

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1. Install Code::Blocks: Download and install the latest version of Code::Blocks IDE for your operating system.

2. Install the Arduino IDE: Download and install the latest version of Arduino IDE.

3. Download and install the required plugins for Code::Blocks: Launch Code::Blocks IDE, and navigate to the menu bar. Click on "Settings" and open "Compiler". Select the "Toolchain executables" tab and make sure that the "Compiler's installation directory" points to the installation directory of Arduino IDE. Also, check the path of avrdude with Arduino’s path. Finally, click on OK.

4. Create a new Code::Blocks project: Click on "File" from the main menu and select "New Project". Choose the "Console Application" option and select "AVR GCC Compiler". Choose a directory where you want to create the project, give it a name, and click "Next".

5. Configure project settings: In the next step, you need to set up the project settings. Under "Compiler settings", select the "Global compiler settings" tab and under "Compiler flags", add the following lines:

   -Os -g -flto -fuse-linker-plugin -ffunction-sections -fdata-sections -fno-exceptions -fno-threadsafe-statics

Under "Linker settings", add the following lines:

-Os -flto -fuse-linker-plugin -Wl,--gc-sections

Under "Search directories", add the libraries and header files for AVR in C:\Program Files(x86) \Arduino\hardware\tools\avr\avr\lib\avr5 and C:\Program Files(x86) \Arduino\hardware\arduino\avr\libraries.

1. Create a new source file: In the next step, you need to create a new source file. Click on "File" from the main menu and select "New". Choose "Empty File" and give it a name with .c extension.

2. Write the code: Write the C code for your Arduino project inside the source file.

3. Build and upload: Click on the "Build" button to compile the code. Check for errors and warnings. If there are no errors, upload the compiled code to the Arduino board, by clicking on the "Upload" button.

You are good to go!