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MLD-01 The Mains LED driver
WARNING - CAUTION
As you can see at the picture the pcb will be at mains potential and therefore lethal. You must ensure that this pcb is well protected against unintentional touching. All parts are dangerous to touch when the mains is switched on.
This little circuit is an example how you can get power directly from 230 VAC mains without using a transformer or a big hot resistor.