Lazarus Archive · LZ-27547

Onyx traffic signal controller, model NM-130

Onyx Electronics, 1976. Firmware for an embedded controller.

Description

Control firmware for a traffic signal, read from the machine’s chips before it was scrapped.

Provenance

Donated with the machine it was used on. The save battery had died, but the program ROM was intact. Independent reads agree bit for bit.

Preservation

Fixity (SHA-256)
816719739703aa28bbcfecf92f95a869d148d9dd848e2ea3676266382da840e6
Last verified
Oct 18, 2026, by Vigil
Emulation profile
LZE-EMBED-2 · lz-mcu core
Copies
Three, on two kinds of storage, in two cities
Original carriers
Kept in cold storage in Vancouver

Access

Free, in the Lazarus reading room in Vancouver and in partner reading rooms.

In the reading room it runs in emulation under profile LZE-EMBED-2, from a read-only copy of the recovered image, as it would have on an embedded controller.

Cite as: Onyx Electronics, Onyx traffic signal controller, model NM-130 (1976). Lazarus Archive, LZ-27547.

Also by Onyx Electronics

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