Electromagnetic Field

Electromagnetic Field 2016

The TiLDA MK3 year, where MicroPython became central to the EMF badge experience.

Guildford · United Kingdom · 2016

TiLDA MK3 badge image

TiLDA MK3

An EMF badge with color LCD, WiFi, sensors, MicroPython, app library, and USB hacking workflow.

Lifecycle

Add-ons & Upgrades

TiLDA MK3 historical

software add-on ecosystem

App Library

The app library and USB copy workflow let attendees add their own MicroPython apps to the badge.

Compatibility: TiLDA MK3

Operational history

Issues & Camp Impact

TiLDA MK3 note

network/security · historical source trail · historical

The historical source trail records network/security caveats around insecure camp WiFi and HTTPS/SSL limitations for default apps.

Shows the practical tradeoffs of networked badges at camp scale.

Resources

Mk3 firmware source · Firmware and Python libraries. TiLDA MK3 hardware repository source · Hardware repository used after the old EMF badge wiki began returning 404 responses.

Sources

GitHub: Mk3-Hardware Retrieved 2026-05-15 · Hardware source replacing the dead EMF badge wiki URL. ST Blog: ST at Electromagnetic Field 2016 Retrieved 2026-05-15 · Supplier-side context for MCU and sensors.