5V Transformerless power supply with zener

It regulates the 120V AC down to 5V DC using a 100Ω resistor and blue LED. without using a bipolar transistor. The 470Ω resistor is a 10 Watt, the 220Ω resistor is a 5 Watt, and the 4.7㎌ capacitor is a 100 Volt NP.