Shenzhen I/O
Build circuits. Write code.
Shenzhen I/O launched on October 7, 2016 with 68 votes, #758 of 3,690 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 10 years on.
What it does
It's been ages since we sold out of the physical deluxe edition for SHENZHEN I/O, but thanks to the magic of print-on-demand you can order a printed book of the manual from Lulu and have it shipped to your door. Only $5 plus shipping! A new campaign! Eleven new puzzles! A math co-processor! SHENZHEN I/O: FIRMWARE UPDATE VERSION 1.3 adds a new campaign with user-inspired puzzles and an assortment of other brand new features. Bigger memory chips! Better custom screens! 50% more histograms! SHENZHEN I/O: FIRMWARE UPDATE VERSION 1.2 adds new parts and a new scoring metric, as well as a host of balance changes and bug fixes. Optimize solutions right from the start! Annotate your designs! Make…from zachtronics.com
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