Arbitraryuser writes – “Not sure if you’re interested, but I put this together as a social experiment to see how long it would take for someone to notice that the lamp flashing in my window was actually morse code… less than 24 hours later the cops were at my door…. aka How to build a Morse code signaler and see how long it takes before someone figures it out.” – Link.

Related:

• Morse coders beating SMSers – Link.
• Make Morse Code Music – Link.
• DIY Morse code Palm keyboard interface board – Link.
• Simple Working Telegraph System – Link.
• This is not your grandfather’s HAM radio… – Link.