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.
Plug your EMF Explorer into your computer with a 3.5mm TRS to USB-C microphone input cable, then use the embedded app below to see the frequencies it's hearing in real time. Requires microphone access - your browser will prompt you to allow it.
If the embedded app doesn't load (some browsers block embedded microphone access), open it directly:
Launch Frequency MonitorThe 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