While a direct download link for a file with that exact name isn't available in public repositories, these projects are common in electronics communities. Based on the file naming convention, here is what the package likely contains and where you can find similar resources: Likely Contents of the .rar File
: The source file for Flowcode , a graphical programming tool for microcontrollers (PIC, AVR, Arduino).
If you are building this manually, a "4D" (4-digit) counter usually uses: