Make a Custom Membrane Keypad for Arduino

My son got one of these Leap Frog toys a few years ago as a gift.  He enjoys playing with it very much.  I am not sure how much counting and learning he is doing but it makes funny noises and sings to him so its a lot of fun. Recently the unthinkable happened.  It … Continue reading Make a Custom Membrane Keypad for Arduino

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From Breadboard to Protoboard

The time has come to clear some space on my breadboard so I can continue to build out the remainder of the system. I've collected a few prototype boards from Futurlec by tossing a few in each order over a few months. I bought a few different flavors of boards (PROTO777, PRBRDLG, and EXPBRD) to … Continue reading From Breadboard to Protoboard

Starting a Retro PC using The 8088 Project Book

Several months ago, I purchased a copy of Robert Grossblatt's classic The 8088 Project Book in hopes of building a retro 8088 computer. My plan was to scavenge the parts from craigslist, ebay, and a couple Seattle area used computer junk stores. My adventures locally didn't result in many parts though I did have much … Continue reading Starting a Retro PC using The 8088 Project Book