In September 2004, I had a LED flasher published which I named Betty's Flasher. Betty was a Church member. A thief had stolen a flashing light off her garage door, so I designed and built her a new one -- then sold the copyright to EPE Magazine. This was a reader's letter (above) in the April 2015 EPE, more than 10 years later. Since then, I have did a number of designs which would last much longer. See also 10-Year Flasher.
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