![]() ![]() The modern way is to use a switch mode power supply.Īn Inductor, a capacitor, and a 555 timer switching the low voltage power on and off. Do they use some sort of special type of transformer, or am I missing something? I thought about just building the circuit from scratch, but I can’t seem to find any transformers that step up the voltage in the same way as the ones in camera flashes. ![]() The other day I got the urge to pick up where I left off, but disposable cameras seem to have become rather scarce in the few years since I last looked. ![]() Shortly before I began university, I used to mess about (carefully) with the flash circuits from disposable cameras (mostly for BEAM robotics projects, although I did build a coilgun once, too. ![]()
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