The lower right image shows a 2D depiction of my board with additional component information and is hyperlinked to the CAD file. I used 20 mil width traces throughout the 12 V supply region of my board and used 10 mil traces everywhere else. As will be discussed in detail below, the incorporation of vias proved difficult with a number of lessons learned. To simplify trace routing I opted to create a board with the bottom layer set to ground with connections to ground made through vias. To provide opportunities to expand use of the PCB, I added resistors and a connector to jump out unused pins of the MCUs (outlined in green below). I also added an area to incorporate an additional power source (e.g., 12V) and set of N-type MOSFETs to power electromagnet coils to drive an induction machine (outlined in orange below). Adding to the base design, I incorporated a circuit containing a button and LED that can be controlled via the MCU per the week's assignment (outlined in blue below). My PCB design is based on Neil’s .5V.1 board which utilizes a ATSAMD11C microcontroller.
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