Using your flash off-camera enables a massively wider and better range of creative lighting effects. Historically, remote flash comes courtesy of a curly cable that runs between your camera’s hot-shoe ...
Is there any way to power case fans using chips in the 74HCXX series? They put out a 5volt signal of course...<P>I was thinking about a digital baybus idea, using TTL chips and OPamps to control and ...
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