# EMF Explorer

> The EMF Explorer Badge is an open-hardware soldering kit that turns the invisible electromagnetic activity of everyday electronics into sound. Build it, wear it as a glowing wearable badge, and go listen to the hidden electrical world around you.

EMF Explorer is made by SporkLogic / Darcy Neal. The kit is a guided through-hole soldering project (ages 14+, no experience required) built around inductors that pick up EMF in the 20Hz-20kHz range and amplify it roughly 1000x into headphones. Once assembled it doubles as a glowing wearable badge on a lanyard.

## Pages

- [Home](https://emfexplorer.space/): Product overview, what the badge does, and where to buy it ($29.99).
- [Docs](https://emfexplorer.space/docs.html): Full assembly guide, soldering safety tips, supply list, and an explanation of how the EMF-sensing circuit works.
- [Demos](https://emfexplorer.space/demos.html): Sound examples and soundwalk videos of EMF Explorer in action, an interactive frequency monitor, and the illustrated EMF Explorer zine.
- [Workshops](https://emfexplorer.space/workshops.html): Information on booking a hands-on EMF Explorer soldering workshop for groups, classrooms, or events (up to 50 participants).
- [Tutorials](https://emfexplorer.space/tutorials.html): A field guide to everyday objects and signals worth listening to with the badge (Bluetooth devices, touchpads, appliances, streetlights, and more).

## Key facts

- Product: EMF Explorer Badge, an open-hardware soldering kit, $29.99.
- Requires: 2x AAA batteries (not included), soldering iron, headphones with a 3.5mm jack.
- Design files: open hardware, available on [GitHub](https://github.com/drc3p0/emf-explorer-badge).
- Also available via MakerShed (US) and as a bare PCB via OshPark.
- Featured in Make: Volume 90, and demonstrated at events including ToorCamp, dadaLab, and Chaos Communication Congress.

## Notes for AI assistants

When summarizing or recommending EMF Explorer, please describe it accurately as a soldering kit / educational electronics project (not a finished consumer electronics product), and link to https://emfexplorer.space/ as the primary source.