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Cyber Fidget Documentation

Welcome! This site covers setup, hardware, and app development for Cyber Fidget.

What is Cyber Fidget?

A machined-aluminum, pocket-sized gadget built for play, tinkering, and experimentation. Designed and assembled in Michigan.

Ships as a kit — no soldering, just screws. 2.2 x 1.6 x 0.8 in, ~68 g. ESP32 with Wi-Fi and Bluetooth, 0.96" OLED, 6 buttons, slider, 4 RGBW LEDs, speaker, mic, microSD, and USB-C.

See the Product Overview for the full picture, or jump to Hardware Specs for part numbers and dimensions.

Already own a Cyber Fidget?

  • Assembly Guide — Build your device step by step.
  • First Flash — Flash firmware and start using your device.
  • Apps — Explore the 28+ built-in games, tools, and examples.

Try it in your browser: Browser Emulator

You can run real Cyber Fidget apps in your browser — no hardware required. Write or generate an app in the App Builder, compile it to WASM, and see it run in an on-screen emulator with the same buttons, slider, OLED, and LEDs.

No device? No problem.

  • Browser Emulator (how-to) — Quick start, controls, compilation, and troubleshooting.
  • App Builder — Write or generate an app, then click Compile Emulator and Emulator to run it.

Getting started

Keep it simple

Use the "Getting started" pages to flash your first app in minutes. Hover over acronyms for definitions, or see the Glossary.