Instructables
I got the ideea to put an dead led to high voltage and it worked.
 
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Step 2: High voltage supply

Invert the input with the output. Put the led at new output and power supply to new input
kctess53 years ago
lol fisically
Tim Temple3 years ago
Did you get anything more than one single flash out of it?
morphic cu ion (author)  Tim Temple3 years ago
yes it is constantly flashing at 50hz