Rev 2 Turing Pulse Expander
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Rev 2 Turing Pulse Expander

This is a slightly updated version of the Turing Machine Pulse Expander, with more outputs. It uses SMD components, but is still a very easy build.


  • 1 x 4081 Quad AND Gate, SO14 package
  • 11 x 3mm LEDs
  • 11 x 1k resistors, 1206 package
  • 11 x 2k resistors, 1206 package (These are the LED protection resistors, if you're using high intensity LEDs they should be a different value)
  • 11 x Thonkiconn sockets
  • 1 x 16 Pin Header 2x8 (for example 649-67997-216HLF from Mouser)
  • 1 x Ribbon cable

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