Lazarus Archive · LZ-25685

Tessel drum machine controller, model RH-880

Tessel Controls, 2015. Firmware for an embedded controller.

Description

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

Provenance

Brought to a Lazarus rescue day by a former owner. The card had sat unpowered for years; it was read at low voltage, several times. Independent reads agree bit for bit.

Preservation

Fixity (SHA-256)
278c456fbfe58d778e8bcc9ae62ba288ca43d239420b0daa77b0d4d72551bbc3
Last verified
Sep 29, 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 reading rooms only, under the Lazarus orphan works policy.

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: Tessel Controls, Tessel drum machine controller, model RH-880 (2015). Lazarus Archive, LZ-25685.

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