Astra's Circuit Boards

A trio of compact, metallic circuit boards arranged in a triangular formation by K9, their etched traces glowing faintly as the Doctor and Romana subject them to analysis. The boards are scarred with burn marks and pitted with circuit damage, suggesting prior stress or tampering. Their arrangement creates a makeshift authentication device, signaling silently to trace Astra's residual contact with the sixth Key segment. The boards hum under K9's sensors, verifying their authenticity before granting passage through Zeos's defenses.

2 appearances

Appearances in the Narrative

When this object appears and how it's used

2 moments

S16E23 · The Armageddon Factor Part 3

Tracing Astra's cryptic signal

A trio of circuit boards is arranged in a triangular formation by K9 as part of its identification ritual. These boards, scanned by the three-sided computer, authenticate the group’s presence and enable the door to open.

Before: Stored or carried by K9, inactive

After: Arranged and scanned, key to unlocking the door

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S16E23 · The Armageddon Factor Part 3

K9 gains access to Zeos core systems

The three circuit boards are arranged by K9 into a precise triangular formation on the door's scanner plate. Their scarred, glowing traces interface with the Mentalis terminal, fulfilling Zeos's requirement for biometric and technical verification. The boards' faint hum and illumination validate the group's movement pattern against stored profiles, allowing the door's locks to disengage with a hiss.

Before: Held by Romana, newly discovered and associated with Astra's object signal

After: Placed on the door scanner, interfaced with the system, and used to gain entry; no longer held by Romana

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