Hewlett-Packard HDSP-2111 & HDSP-2112  
Written by Accutron on 2008-01-26  

Devices included in this entry:

Hewlett-Packard HDSP-2111 (28-pin composite DIP)
Siemens HDSP-2111S (28-pin composite DIP)
Siemens PDSP-2111 (28-pin composite DIP)
Hewlett-Packard HDSP-2112 (28-pin composite DIP; pictured in thumbnail)

The Hewlett-Packard HDSP-211x is a family of eight-digit, 5x7 bitmap character LED intelligent displays with full 7-bit ASCII, 16 user-definable characters, daisy-chainable master clock, internal oscillator option, multilevel dimming and blanking, and full read/write operations.

HDSP-211x Series Datasheet (PDF)

Hewlett-Packard HDSP-2112 intelligent LED display.

Siemens PDSP-2111, underside construction.

From left to right: Hewlett-Packard HDSP-2111 (1988 date code), Hewlett-Packard HDSP-2112 (1991 date code), Siemens HDSP-2111S.

This article is part of the [Integrated Optoelectronics] exhibit.

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