What people are exploring
A taste of what the EMF Explorer Badge sounds like, an interactive way to explore frequencies in your browser, and the full illustrated zine.
A growing playlist of EMF Explorer soundwalks - listening to real devices and environments out in the field.
The full interactive workshop deck - the science, the build, and how to troubleshoot your badge. Click into the slides below, then use the arrow keys or spacebar to navigate, P for speaker notes, and F for fullscreen.
Having trouble with keyboard controls or fullscreen inside the embed? Open the slides directly:
Open Slides in New TabPlug your EMF Explorer into your computer with a 3.5mm TRS to USB-C microphone input cable, then click below to see the frequencies it's hearing in real time. Requires microphone access - your browser will prompt you to allow it. No audio is recorded or transmitted; everything runs locally in your browser.
The EMF Explorer Zine is a hand-illustrated companion to the badge - covering the science, the build, and the world of signals worth exploring.
Open the ZineStep-by-step assembly instructions, soldering safety, and how the circuit works.
Open the Build Guide