Add-on dossier
Post-deployment power reliability repair
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
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production and firmware lifecycle
The maker reports an early coin-cell brownout issue and says more than 200 already programmed badges were reprogrammed before distribution to improve battery life. This records a bounded field-repair history, not a released firmware, recipe, full validation result, or proof of universal final-unit parity.
- Badge
- Greycademy 2026 Hackbadge
- Type
- production and firmware lifecycle
- Status
- maker-reported completed repair; full scope unverified
- Compatibility
- Greycademy 2026 Hackbadge
- Source
- https://sg.linkedin.com/in/terence-chan-zun-mun
first-person maker record
Public first-person account naming the intended Greycademy participant distribution, CH32V003 and coin-cell basis, maker artwork, Howard Ong PCB design, and reprogramming of more than 200 prepared badges after a power-reliability problem. It is not a source-code or image-reuse grant.
Badge: Greycademy 2026 Hackbadge
maker project index
Public maker index marking Hackbadge for Greycademy 2026 as deployed electronics hardware, alongside separately named NUS Greyhats badge projects.
Badge: Greycademy 2026 Hackbadge
maker project page
Hackin7's dated public project page naming a deployed electronics, hardware, badge, and PCB Hackbadge created for Greycademy 2026.
Badge: Greycademy 2026 Hackbadge
official event announcement
Official NUS Greyhats announcement for A.YCEP × Greycademy 2026. It schedules January 24-25 workshops, January 26-30 practice, and January 31 / February 7 qualification and finals, and says participants can take home electronic badges among free goodies.
Badge: Greycademy 2026 Hackbadge
official event recap
Post-event NUS Greyhats account of the completed program, collaboration with CSA's A.YCEP, two days of training, CTF work, 78 challenges, 60 finalists, and 3,526 captured flags. It does not document a specific badge unit or distribution ledger.
Badge: Greycademy 2026 Hackbadge
Hackin7 · retrieved 2026-05-15
Primary maker project page, dated January 24, 2026, that identifies the deployed electronic PCB badge as created for Greycademy 2026.
Badge: Greycademy 2026 Hackbadge
NUS Greyhats · retrieved 2026-05-15
Primary organizer post-event source establishing that the A.YCEP × Greycademy 2026 program was completed, ran with CSA support, and included training plus qualifier/final CTF work.
Badge: Greycademy 2026 Hackbadge
NUS Greyhats Official Announcements · retrieved 2026-05-15
Primary organizer announcement for the 2026 Singapore tertiary-student cybersecurity program, schedule, workshop/CTF format, and participant electronic-badge take-home wording. It does not prove an individual recipient, hardware specification, or completed distribution.
Badge: Greycademy 2026 Hackbadge
Terence Chan Zun Mun / Hackin7 · retrieved 2026-05-15
Primary maker account identifying the CH32V003, coin-cell basis, intended participant distribution, artwork and PCB-design attribution, brownout problem, and reprogramming of more than 200 already prepared badges. No firmware archive, exact change, final release, or image-reuse licence is published there.
Badge: Greycademy 2026 Hackbadge