Shared Projects by K9PDP

Shared Projects by K9PDP

HP 9825/35 Crowbar

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2 layer board of 3.61 x 1.42 inches (91.6 x 36.0 mm)
Uploaded: March 28th 2021
Shared: March 28th 2021
Total Price: $25.55

Rik Boss' rendition of the HP 9825 crowbar circuit

Rik Boss' rendition of the HP 9825 crowbar circuit

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HP_PTR_Emulator

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2 layer board of 6.61 x 3.81 inches (167.9 x 96.8 mm)
Uploaded: October 28th 2019
Shared: October 28th 2019
Total Price: $125.90

Leonard Heinkelein's paper tape emulator, allowing direct loading of digital .bin images of HP paper tapes into HP21XX computers using an HP 12566 ground-true I/O card. The original article describing the design, construction and operation of the emulator can be found at the HP Computer Museum, u…

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Leonard Heinkelein's paper tape emulator, allowing direct loading of digital .bin images of HP paper tapes into HP21XX computers using an HP 12566 ground-true I/O card. The original article describing the design, construction and operation of the emulator can be found at the HP Computer Museum, u…

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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G792A-X

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2 layer board of 4.96 x 5.21 inches (125.9 x 132.2 mm)
Uploaded: January 30th 2015
Shared: October 10th 2019
Total Price: $129.00

Tabbed Power Feed For 8/I - NEGATIVE 15V TRACE IS TOO WIDE - it must be trimmed to prevent shorting!!

Tabbed Power Feed For 8/I - NEGATIVE 15V TRACE IS TOO WIDE - it must be trimmed to prevent shorting!!

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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DEC Extender Adapter 7/15

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2 layer board of 2.43 x 0.78 inches (61.8 x 19.9 mm)
Uploaded: July 15th 2015
Shared: July 23rd 2016
Total Price: $9.50

DEC Extender Adapter .044 holes

DEC Extender Adapter .044 holes

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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