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If you add an 220vac to 220vac isolation transformer and filter capacitor after bridge rectifier and then resister in series. It will be most safe and good.
It's DC. Even if you add a isolation transformer before the bridge rectifier, you still have to keep your hands away from the output. It will restrict the current, not the voltage.
Bahot badiya sir . Sir muze 12v 5 Watt ke 9 led 7 hour chalana hai to chalega kya mene 12 0 12 tr ckt banaya tha par jada din nahi chala kuch idea dijiya
