First I took the little Morse code kit and put it onto a breadboard. Over at adafruit.com, they have these neat Perma-Proto PCBs that are circuit board versions of a breadboard. Makes it easy to transfer something you've assembled on a breadboard to something a little more permanent.
I picked up a few a little while ago with the intention of transferring the breadboard version of the Morse code kit to a Perma-Proto board and finally got around to it this evening.
It turned out pretty compact and can be powered by a 9V battery, or three CR2032 button cells (shown). The clicky button still isn't great for tapping out Morse code, but it mostly works.
A nice relaxing couple of hours spent melting some solder.
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