Hehe, just kidding. There might be premade stuff out there. Quick google search pulled up this
. When you say you have knowledge in electronics, I hope that means you have some good electrical skills like soldering, and wiring circuits. Otherwise, this isn't a DIY project I'd recommend.
What the guy did here was have this setup in complete darkness. The flash was set to go off when it detected a flash of light (slave flash behavior). The circuit board was rigged to flash when noise was detected. The camera was set to a long exposure or a bulb exposure. The shot was taken, triggering the flash.
I'd recommend of course a DSLR and a flash, but a higher end compact cold conceivably work if it has more advanced settings.