What is a brd file and how do I open a brd file?
Files saved in a format with the BRD extension are called EAGLE circuit board files, also categorized as data files, and the EAGLE circuit board design software uses these BRD files. Software that can be used to create circuit board designs are classified as CAD software, and the EAGLE application is an example of these programs. The name "EAGLE" stands for Easily Applicable Graphical Layout Editor, and this program can be installed in a Microsoft Windows system. A version of this software can also be installed in Linux platforms to integrate support for these BRD files. Mac users can also start using the EAGLE program and opening these BRD files by installing a version also developed by CadSoft, creators of EAGLE, for Mac environments. Schematic development features and PCB design functionalities are integrated into the EAGLE software from CadSoft, which can be used by engineers and technicians among other professionals who deal with circuit board technology. The "Layout Editor" implemented into the EAGLE software is used to create and save these BRD files in the .brd format.
Relevant brd file links:
How to open brd file on YoutubeHow to open brd file on Wikipedia
How to open brd file on Microsoft.com