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KFETS Part 5: Specialty Parts
From the outset of the KFETS project, my client knew that he wanted it to be as sturdy and unbreakable as possible. To ensure this, I searched for “milspec” (military specifications) parts. The two parts which I focused on were the ones that would endure the most abuse: the mode switcher and the central switch.
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Above: the central switch in my PCB and schematic:
I designed the central switch to be a 4-pole, 3-position rotary switch. Any 4p3t switch with military specifications available online was out of my price range. …