Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The activity guide identified R1, R2, and C2 as the 555 astable timing parts and encouraged attendees to change oscillation speed.
Badge context
Official activity guide for removable remote, cable making/testing, 555-timer modification, and timing-circuit CTF context.
Official badge site for the [a]nalyze [i]nternet cable-tester badge.
Official registration source for Hilton Omaha Downtown location, April 2-5 event dates, April 4-5 main conference dates, and event context.
Source trail
Primary source for 555 timer, 4017 decade counter, RJ45 cable-testing behavior, diode network, remote LEDs, manufacturing credits, and no-microcontroller framing.
Primary activity source for cable testing, remote handling, 555 astable circuit modification, R1/R2/C2 values, and CTF timing-circuit context.