last modified: October 23, 2025
Posted on 2023-02-02— Puzzle
I created a logic-gate puzzle featuring a gated D latch: more artwork than optimized circuitry. I invite you to try decoding the hidden message—there are hints and links to gate and flip-flop basics in the post. I hope you enjoy the challenge; read the full article if you'd like to solve it.
Posted on 2021-05-04— Puzzle
I uncovered an ancient stone with a mysterious multiplexed display — five inputs and six outputs. In this puzzle I explore what the display likely represents and invite you to find the longest continuous sequence of numbers it can show. Try the interactive panel and read the full post to solve it.
Posted on 2021-05-03— Puzzle
I present a symmetric logic-gate circuit that implements a well-known function. Try to identify the function; hints are provided if you get stuck. If you enjoy this kind of puzzle, read the full post for images, tips, and the solution - I'd love your feedback and suggestions for more puzzles.
Posted on 2021-04-29— Puzzle
I created a symmetrical logic‑gate diagram and challenge you to spot its function. Study the image, try simplifying the design, and use the provided hints if needed. If you enjoy puzzles or digital logic, read the full post for extra challenges and to compare solutions.