Joe’s Hobby Electronics

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Author: joe.farr@gmail.com

  • Shift Registers

    Shift registers are wonderful things and especially useful to the hobbyist who never seems to have enough I/O pins on the CPU/MPC they want to use. So, with a view to helping explain these misunderstood little scamps, many years ago I wrote this to help explain them, how they work and a practical example of…

  • Microchip IC Package Specs.

    A PDF file from Microchip detailing all the different package types they have for their products… and there are a lot of them.

  • Acorn System 1 User Manual & Monitor ROM

    This is a scan of the Acorn System 1 User Manual that I found a while ago in the internet. For anybody building a replica of this machine and using the official Acorn System 1 Monitor ROM, this manual is invaluable. There is also a copy of the Acorn System 1 Monitor ROM that I…

  • AC Single-Phase Motors Horsepower Ratings

    A PDF document containing a primer on Single-Phase AC motor horsepower ratings.