Jeff’s quickie page of vintage LEDs:

Light Emitting Diode displays and panels



I freely admit that my web site is NOWHERE as neat as Micah Mabelitini's decadecounter.com nor is my collection as complete as Dan Veeneman's decodesystems.com, but I have MANY of these displays too, particularly the smart hex and alphanumeric ones (16 segment as well as 5x7 matrix).

The red one in top center is a Monsanto MAN 6A 7 segment

On the left side: On the right side:
On the left side: In the center with the green inside: 2: Siemens PD 2437 4 char 5x7 "smart" modules.

On the right side:
Unobtanium!
I'm starting a project with a .6" center Experimentor 600 breadboard and 4: HP 5082-7340 hex displays!
They stack nicely, unlike the TI TIL311 or DIS1417
(for their pins are underneath them just like .3" DIPS, which would place them in the wrong orientation for breadboarding).


This is part of my "hall of shame". Long ago, Radio Shack (and mail order catalogues) sold faulty/fallout chips marked as "hobby" since they were otherwise too expensive. I tried following the suggested circuit for the 5311 clock only to find ALL 3 of my chips were faulty.
The DL-747 0.6" tall LEDs are still nice, and cost $4.95 EACH at the time (Archer cat no 276-056).
The LED mux PCB was a Radio Shack part too!


16 LEDS with transistor drivers. They'd look pretty when mounted on a panel.


A Radio Shack kit: 7 segment display, 7447 (BCD to 7-segment Decoder/Driver) 7475 (4 bit latch) and a socket for a counter (a 7490 Decade Counter?)
See list of 74xx chips


I believe this was intended to be a panel to a homebrew EPROM programmer (a step up from the one a classmate made using only toggle switches. Yes, my college was so poor we had NO EPROM programmers in the early 80s)
I guess I had intended to use the lower pushbuttons to set (or toggle) the 8/16 bits with the upper switches for "clear all", increment address, decrement address, load data, load address, burn data.
The calculator buttons were a Radio Shack item, so they're probably in many homebrew projects.

Just the part numbers

Here are just the part numbers to clarify the variations for color and characters

hdsp_48xx 10-Element Bar Graph Array

The Hewlett-Packard 5082-73xx series displays are individual 4x7 LED matrix arrays with decoder/drivers and memory.

Texas Instruments hexadecimal display with logic
0.3" pins underneath, vertical

HP HDSP-200x series 4 character 5x7 array "dumb" shift-register LED.
The column inputs need to source half an ampere
(but it may be from a separate power source than the logic Vcc). 
        pinout
1-column 1     data in-12
2-column 2         gnd-11
3-column 3       clock-10
5-column 4         Vcc-9
5-column 5    blanking-8
6-do not use  data out-7


4 char 16 segment MAGNIFIER smart display unit
Litronix  HP
DL-1414   HPDL-1414 12 pins  0.112 character height
DL-2416   HPDL-2416 18 pins  0.160


4 Character 5.0 mm (0.20 Inch) 5 x 7 Alphanumeric Display for Sunlight Viewable Applications


Aglient HDLX-2416 Series
Four Character 5.0 mm (0.2 inch) Smart 5 x 7 Alphanumeric Displays
zzz Eight Character 5 mm and 7 mm Smart Alphanumeric Displays
                 AlGaAs  High Efficiency
Font Height       Red         Red         Orange    Yellow     Green
 0.2 inches    HDSP-2107   HDSP-2112     HDSP-2110 HDSP-2111 HDSP-2113
 0.27 inches   HDSP-2504   HDSP-2502     HDSP-2500 HDSP-2501 HDSP-2503
HDSP-253X Series Eight Character 5 mm Intelligent Alphanumeric Display


Siemens PD 243x series of 0.2" 4 character 5x7 dot matrix alphanumeric programmable display
20 pins


Agilent HDLx-2416
4 character 5.0mm (0.2 inch) smart 5x7 alphanumeric displays
- enhanced drop in replacement for HPDL-2416
- 128 ASCII character set
18 pins