That reminds me of my favorite project of all time, the 7400 FPGA:<p><a href="http:&#x2F;&#x2F;blog.notdot.net&#x2F;2012&#x2F;10&#x2F;Build-your-own-FPGA" rel="nofollow">http:&#x2F;&#x2F;blog.notdot.net&#x2F;2012&#x2F;10&#x2F;Build-your-own-FPGA</a>