Miscellaneous Components

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Symbol 923 Barcode Scanner Module

These are Symbol 923 series 'Scan Engine' barcode scanner modules. Each of these modules is a completely self-contained barcode scanning system with mirror, laser, decoder, and a built in controller that reads the barcode data and transmits the contents of the barcode over a TTL-level serial connection. The 923 can decode numerous barcode formats, including UPC/EAN, Code 128, Code 39, Code 93, Interleaved 2 of 5, Codabar and MSI Plessey symbologies. The serial connection to the 923 is bidirectional, allowing for the scan parameters to be customized, and the module includes outputs for attachment of a beeper and scan success LED that can be triggered as needed. These are hard to find on the surplus market, and almost never appear at this price.

Symbol 923 Series Scan Engine Datasheet (PDF, 2082kb)

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Catalog No. Price Lead Time
SYMBOL923 US$10.98 16 units in stock

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Western Electric GA-54078

Western Electric GA-54078 metal can-style quartz crystal, new old stock. These devices are each marked with an individual frequency ranging from 208.0 to 296.4 kHz. Dates of manufacture range from 1979 to 1985, and each has a hand-signed label with frequency and exact date of manufacture.

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Catalog No. Price Lead Time
GA54078 US$9.98 3 units in stock

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Western Electric D167332 Thermistor

Vintage Western Electric thermistor, US Navy surplus, new old stock. These are very high quality devices and must have cost a fortune when new. Each unit comes packaged in a sealed wooden tube. Resistance is 1.6Kohm at 75 degrees and 1.41Kohm at body temperature.

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Catalog No. Price Lead Time
D167332 US$5.98 2 units in stock

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Large 4 Track Magnetic Head

A sizable 4 track magnetic head of unknown configuration, new old stock. We don't have any information on this device or what it was used for, but it is solidly constructed and far larger than would be required for any common consumer application. The dimensions of the assembly are 38mm by 18mm and each head is 8mm wide.

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Catalog No. Price Lead Time
4TRACKHEAD US$4.98 2 units in stock

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General Time Corp 'Filmstrip' Clock Module

General Time Corp 'Filmstrip'-style clock movement, new old stock with minor shelf wear. This device is a four-digit clock module that uses plastic film belts to display numbers. The device uses three belts, a single 12 position belt displays the hours positions, while two single digit belts display the two numbers in the minutes position. A small numbered wheel displays seconds and rotates continuously when the clock is in operation, the minutes and hours change position over a five second period immediately after the seconds wheel rolls over to zero. The module includes an alarm function, which closes a set of contacts when the alarm is tripped. Two thumbwheels on the front of the device control the setting of the time and alarm. This module is powered by an attached 120VAC synchronous motor, and can be connected directly to a 120 volt wall outlet. The filmstrip display belts have translucent numbers and can be backlit by LED's, as this photo illustrates.

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Catalog No. Price Lead Time
FILMCLOCK US$21.98 2 units in stock

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Durant Uniselector

This is a Durant uniselector with minor shelf wear, tested and working. These are 10 position electromechanical indicators that also output their state electrically on a 10 position rotor. The 10 position rotor can be used to drive a Nixie tube electro-mechanically, or any other display that works based on 1 of 10 selection. These can also be used as standalone displays since the current digit is visible through a window in the front of the device. There is also a second smaller rotor inside that closes separate pads on the 9 and 0 position for use as a digit carry function. It takes a 20 volt pulse to cycle one of these to the next digit, and the pin connections are printed on the back of each readout. If you ever wanted to build an electromechanical or 'no semiconductor' Nixie clock, these will make the task considerably easier!

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Catalog No. Price Lead Time
UNIPS1 US$8.98 12 units in stock

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Bulova LFE-97797

Bulova LFE-97797 glass-packed quartz crystal, new old stock. Price is for one unit. These devices are each marked with an individual frequency ranging from about 84.400 to 85.600 kHz. Bulova quartz crystals such as these are fairly rare.

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Catalog No. Price Lead Time
LFE97797 US$9.98 1 unit in stock

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Gas-Filled Cermet Lightning Arrestor

Miniature gas-filled lightning arrestor, cermet envelope, 3 leads. These appear to be filled with argon.. they emit a pale blue light when activated in a darkened room.

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Catalog No. Price Lead Time
ARGLR US$1.98 8 units in stock

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Gas-Filled Glass Lightning Arrestor

Miniature neon-filled lightning arrestor, glass and metal envelope, unknown manufacturer, new old stock. These light up orange when powered with a high voltage supply.

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Catalog No. Price Lead Time
NEONAR1 US$1.98 1 unit in stock

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