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STD PIC14-V1

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Update time: 2021-11-25 23:59:59
Creation time: 2019-03-17 17:27:48
Description
PIC14 modified to use ULN2803A to drive LED displays This is a slightly modified version of Karen Orton's emulated MK14 (SC/MP based) microprocessor trainer board which was released in 1977 and became my introduction to microprocessors , computers, and programming. I unfortunately sold my MK14 in 1979 when I upgraded to a UK101 (which I still own). I designed this PCB project for nostalgic reasons and having just built it I am pleased to say it worked 100% first time. I am only the designer of this PCB although I have changed the LED drivers from discreet transistors to a ULN8203. All the magic of the project and software emulation in a PIC16F876 is the work of Karen Orten, whose original project is decribed in the following link, which also includes the PIC's firmware: http://www.techlib.com/area_50/Readers/Karen/micro.htm#PIC14
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MK14 User Manual.pdf

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