Fuji's blog

How to: DIY 40/80 column auto softswitch

Build an automatic electronic switch so you don't have to manually switch (or unplug cables) whenever going from 40 column to 80 column mode (or vice versa) with an 80-column card (Videx Videoterm etc.).


How to: DIY keyboard beeper circuit

Build a small circuit board which plugs into the Apple II motherboard to emit an electronic beep every time you press a key through its built-in piezo sounder. It also contains a switch for turning it off should you decide against it at some stage.



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