Arduino: Char Array Problems

While programming an embedded system based on ATmega328p, I have encounter some char array problems in the C programming language. I had a char array of exactly 8 chars ending with /0: char a[] = "///////0"; It had trouble reading a[0] many times. For some still unknown...

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Make a Shutter Release Indicator for any camera!

Following my previous post, I have done and tested a little schematic for a indicator whenever the shutter actuates (whenever the shutter is released). Check the demo video here. So, we know that the CENTER PIN on the hot-shoe is connected to the GROUND whenever the camera...

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How does a DSLR trigger a manual flash unit

If you want to detect a shutter actuation or build a DIY wireless flash trigger, it's not as straightforward as it seems, there is a thing you would need to have in mind. A week ago, I got my first manual flash (from late 80's). I was worried about putting it on my DSLR, because...

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