Vintage Circuit Cellar HCS II / HCS2-DX supervisory controller development package from the early 1990s.

Includes:

• HCS2-DX Rev. 1.0 bare PCB

• HCS2-DX Supervisory Controller Technical Manual

• HCS2-DX Assembly Guide & Procurement List

• HCS II System Reference Manual with XPRESS

• HCS II Utility Disk Release 2.1 dated 12/20/93

• HCS II Supervisor v2.11 ROM/EPROM

• CCI XPRESS 2.1 materials/documentation

Excellent collector or restoration/development package for early home automation, X-10, RS-485, embedded control, and Circuit Cellar enthusiasts.

Board, disk, and ROM are untested. Manuals and paperwork show normal age-related wear. Please review photos carefully for exact contents and condition.

Rare opportunity to get the original hardware, software, and documentation together in one lot.