HP-01 available
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04-29-2016, 06:20 PM
(This post was last modified: 04-29-2016 06:22 PM by PANAMATIK.)
Post: #11
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RE: HP-01 available
First Light!
The first new HP-01 prototype board is running! As far as I can see the design concept will be still OK. The board does not yet fit inside the HP-01 case, because the prototype board is too thick, but the next prototype will have reduced PCB thickness of only 1 mm and need some other modifications too, but I will come nearer to the aim of the project. The solder resist will become white in the final version. What I can show, and you can see in the images below, is the prototype board with processor chip and real time clock and the original HP-01 LED display mounted on top. The LED display multiplexer is running already. As astronomers say to their new telescope, it gets first light, I can say now, it emits first light. The emulation of the original microcode will follow next week. It is already running on a woodstock calculator Bernhard That's one small step for a man - one giant leap for mankind. |
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