Binary Gyro Rings

Eight rings · Two states each · 256 patterns per disc
A mechanical binary toy

How Binary Gyro Rings work, the mathematics behind them, and ways to play.

Click the rings to match your disc pattern. Instantly see the decimal value. Up to 3 discs.

Enter any number and see which disc pattern represents it. Up to 10 discs.

Point your camera at a disc, align it to the guide circle, and read the value automatically.

How to use the scanner — video walkthrough and illustrated step-by-step instructions.

Watch a disc count from 0 to 255, one step at a time. Scrub to any value instantly.

Live 24-hour clock. Three discs showing hours, minutes and seconds in 8-bit binary.