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| National Semiconductor NSA578 | |||||||||
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Rare vintage National Semiconductor NSA578 7-digit, 7-segment calculator-style LED display, new old stock. Blue PCB, gold traces. The red filter is easily removable (see photos), allowing for various experiments and surgery. Our in-house engineer regularly pulls the dies off these for embedded illumination projects.
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| National Semiconductor NSN66A | |||||||||
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Rare vintage National Semiconductor NSN66A 6-digit, 7-segment calculator-style LED display, new old stock, minor shelf wear. Beige PCB, gold traces. The red filter is easily removable (see photos of a similar 7-digit version disassembled and lit here), allowing for various experiments and surgery.
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| National Semiconductor NSA0020 | |||||||||
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National Semiconductor NSA0020 2 digit LED display, new old stock. Intended primarily for use in toys and and other lower-cost devices, the NSA0020 has only two of its three magnification lenses populated with LED dies.
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| Fairchild FND-357 | |||||||||
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Fairchild FND-357 LED display, tested new old stock. The FND-357 is a narrow 10 pin display with integrated decimal point that was used in many devices in the early 1980s.
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| Hewlett-Packard HDSP-2112 Display | |||||||||
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The Hewlett-Packard HDSP-2112 is a red 5x7 bitmapped character LED intelligent display 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. These units are pulls with some minor surface wear as shown in the pictures, but all units are in tested working order
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| Litronix DL2416 | |||||||||
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More than a mere display, the DL-2416 is an entire seven-bit ASCII decoder, character generator, and four-digit alphanumeric display in a single package. This display has its own memory registers, and will remember character data without processor intervention. Items are brand new and in perfect condition.
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| White 8x8 LED Matrix | |||||||||
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White LED 8x8 display matrix, brand new. LED matrix displays have become popular in recent years for various microcontroller projects, but 8x8 displays manufactured from white LEDs instead of more common colors are still relatively hard to find. Dot diameter on these displays is 5mm; the phosphorescent fill material gives the dots a yellowish color when the matrix is not in operation. An unusual display for your next 8x8 LED matrix project.
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| Monsanto MAN-7 | |||||||||
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Monsanto MAN-7 seven-segment red LED display, one of the first seven-segment displays ever made. This display is new old stock, with minor shelf wear.
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| Monsanto MAN-3A | ||||||||
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Extremely rare Monsanto MAN-3A single-digit seven-segment red LED display, early gold pin variation, new old stock. The MAN-3 is generally considered to be the first miniature 7-segment display, a device which revolutionized the calculator industry.
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| Hewlett-Packard 5082-7430 | ||||||||
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Extremely rare Hewlett-Packard 5082-7430 calculator-style display with three HP 5082-7433 3-digit red LEDs. This is a virtually unobtainable display board, entirely manufactured by HP. These boards are new old stock, with never-soldered through-hole pinouts. The -7433 display is a pin-compatible replacement for the Litronix DL-330 and other compatible displays. We have an extremely limited supply and will probably not see displays like these again for a very long time.
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| Monsanto MAN-1A | ||||||||
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Monsanto MAN-1A, new old stock, minor shelf wear. The MAN-1A (and MAN-1) are generally considered to be the world's first production seven-segment LED displays. The seven-segment LED rapidly took over the world, wiping out the demand for Nixie tubes, Minitrons, Panaplex displays, and many other display technologies in a single blow. The MAN-1's first-generation diode technology results in a very dim display, but its virtual immortality was a drastic improvement over the incandescent Minitron displays it was designed to compete with.
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| Monsanto MAN-10A | ||||||||
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Monsanto MAN-10A, new old stock with minor shelf wear. The MAN-10A is an early successor to the MAN-1A; its primary difference is a slight increase in the amount of light generated by the primitive LED dies.
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