Circuits by Kino Knits
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DK (11 wpi) ?
5.5 stitches and 8 rows = 1 inch
in Stockinette
US 5 - 3.75 mm
145 - 160 yards (133 - 146 m)
Child (20" head circumference), Woman (22" head circumference), Man (24" head circumference)
This pattern is available for $6.00 USD buy it now

This pattern is available for purchase from Knit Picks.

I created this hat for my brother, who is about to get his undergraduate degree in electrical engineering and loves designing circuit boards and chips. Perfect for the techie in your life!

All sizes are designed to have 2” negative ease. This hat is knit in the round from the bottom up, and the pattern includes both charted and written-out instructions.

Difficulty: Intermediate: Skills include casting on, knitting and purling in the round, cables, bobbles, decreasing, and weaving in ends.


  • U.S. size 5 (3.75 mm) needles (or whatever size you need to get the correct gauge) for knitting in the round (either dpns or circular for magic loop method, your choice).

  • Cable needle

  • 5 stitch markers

  • Tapestry needle for weaving in ends