PhreakNIC
PhreakNIC 26
The November 14-15, 2025 PhreakNIC edition in Murfreesboro, Tennessee, whose official schedule included Tyler Crumpton's electronic shelf-label talk and whose post-event project writeup documents the official PN26 electronic badge.
Murfreesboro, Tennessee · United States · 2025
attendee customization
A unique 3D-printed QR code on each case led attendees to a configurator for frame selection, name text, size, and position before firmware generation.
Compatibility: PhreakNIC 26 Electronic Shelf Label Badge
firmware workflow
The badge update pipeline patched one-bit 240x96 image data and a hash into a base firmware image, then reflashed the badge with cc-tool and CC Debugger hardware.
Compatibility: PhreakNIC 26 Electronic Shelf Label Badge
production tooling
Mog noticed the exposed pad spacing lined up well enough with DB9/DE9 connector pins, leading to a pogo-pin cable and CC Debugger flashing workflow.
Compatibility: PhreakNIC 26 Electronic Shelf Label Badge
reused hardware platform
The badge reused surplus ZBD 55c-RB / EPOP55 electronic shelf labels with CC1110 control hardware and a bistable LCD that keeps its image without power.
Compatibility: PhreakNIC 26 Electronic Shelf Label Badge