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9 Projects tagged with "HP"

 
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Inspired by the work of @tomcircuit, here's my take on a battery pack for the venerable Woodstock series of HP calculators.
Project Owner Contributor

HP Woodstock LiPo Battery Pack

CYULCYUL

658
1
1
My HP touchsmart 310 is dead but the screen and IR touchscreen works perfectly.
Project Owner Contributor

HP touchsmart 310 IR touchscreen to USB

Marin B.Marin B.

9.8k
46
34
This is an IR receiver and interface for adapting a commodity receipt printer to be 82240B-compatible.
Project Owner Contributor

HP 82240B IR Receiver and Printer Interface

ziggurat29ziggurat29

1.7k
373
18
Yet another HP bubble clock, using ATTiny84A.
Project Owner Contributor

HP Bubble clock

Jeremy g.Jeremy g.

3.4k
28
16
Reverse engineering and building applications for the HP 4952A Protocol Analyzer
Project Owner Contributor

Hacking the 4952

David KuderDavid Kuder

4k
34
24
Attempting to reverse engineer an HP 4952A into a general purpose z80 computer capable of running CP/M.
Project Owner Contributor

HP 4952A turned general purpose CP/M machine

Trevor Johansen AaseTrevor Johansen Aase

3.2k
16
22
I found these cute little retro 4 digit LED displays for less than $1 each so I just had to design a larger serially controlled display.
Project Owner Contributor

HPDL-1414 16x2 LED Display

sjm4306sjm4306

1.8k
23
23
Safe and convenient power for HP 35/45/55/67 Calculators
Project Owner Contributor

Classic HP Calculator LiPo Battery Pack

tomcircuittomcircuit

8k
33
26
HP 63/302/123/803 cartridge control module with 3D printable mount.
Project Owner Contributor

HP printer cartridge control module

Pavel SemenovPavel Semenov

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