[Allan Schwartz] decided to document his experience using Fritzing to design, fabricate, and test a custom Arduino shield PCB, and his step-by-step documentation makes the workflow very clear.

Arduino and electronic enthusiasts interested in designing and manufacturing their very first PCB might find a project published by YouTuber Upir for his LED volume control shield PCB interesting ...

While there are a couple of open-source brushless drivers already available, [neuromancer2701] created his own brushless motor controller on an Arduino shield ... The PCB design and source ...

The shield also has two ... it’s by far the most powerful Arduino games system available today. Every aspect of the design is open source and hackable:the PCB design, the Verilog code for ...