Fri3d 2018 Ph0xx
A fox-shaped ESP32 badge with 5x7 LED eye matrices, touch pads, buzzer, 18650 power, Lego Technic mounting holes, and jewel add-ons.
Fri3d Camp
The Ph0xx ESP32 fox badge year, with LED eyes, add-on jewels, battery power, touch input, and robot/hardware-hack paths.
Belgium · Belgium · 2018
A fox-shaped ESP32 badge with 5x7 LED eye matrices, touch pads, buzzer, 18650 power, Lego Technic mounting holes, and jewel add-ons.
Lifecycle
The Ph0xx project describes an Air jewel that could interface with a dust particle sensor and GPS, extending the badge into environmental sensing.
The production logs credit a Christophe-designed script that scanned for new USB ports and programmed multiple badges, supporting the 650-board test and assembly flow.
The Ph0xx logs record a Fri3d Camp weather-balloon launch carrying a Ph0xx with the Air Jewel to measure air quality; the dust sensor stopped working at very low external temperature.
The Ph0xx project documents jewel add-ons as part of the intended hardware play surface.
The Ph0xx logs document 4.2 mm holes on an 8 mm grid so the badge could mount into LEGO Technic-compatible builds.
The Bot jewel boosted power for four large servos and was documented as the building block for turning Ph0xx into a bipedal robot.
The Ph0xx documentation points toward turning the badge into or mounting it on a robot using its hardware and mounting holes.
The logs describe a web tool from an Area 3001 member that let attendees define LED-eye animations and generate Arduino code for Ph0xx.
Operational history
The public badge page, image archive, and API point at a source-controlled original photo with source URL, license basis, attribution, and processing notes while avoiding generated, placeholder, social, or uncleared imagery.
Useful context for comparing later camp badge battery and safety decisions.
Fri3d 2018 belongs in the operational history of camp badges: even a strong design still had small-run manufacturing throughput constraints.