120v LED circuit

Yes, but 1uF is still a bit to high and the peak voltage is still to low. 120V, isn't 170V in your country?

In the US, where Voltransistor and I are, 120VAC is actually (most often) 117VAC. The US has gone from 110 to 120 to 115 as the standard of what to call it, but basically the power companies supply 240VAC (two 120VAC lines). They get a tolerance of about +/-5%. They tend to run it as low as possible to save money. So what we usually see at an outlet is 115VAC to 118VAC. Most people call it "one-ten" or "one-twenty", but they're referring to the same thing. In an ideal world, it would measure 120VAC, but it rarely does. The same goes for the 240VAC outlets (when both phases of the 120 lines are tied together, typically for high-power appliances like dryers and ovens). What they call 240VAC usually measures 220-230VAC at the outlet. People refer to it as "two-twenty" or "two-forty", but again, they're taking about the same thing. It's stupid, and I hate it. The US is terrible about all kinds of standards of measurement. But for simplicity's sake, in the US, we have 120VAC for our standard wall outlets, 240VAC for our larger home outlets, and 480VAC for industrial uses. You will sometimes see 480VAC in homes, but it's not common. I had one 480VAC outlet installed in my garage to power my Miller Syncrowave welding machine, for example.

Thanx for this explanation, but maybe this could be interresting for you and voltransistor too. http://en.m.wikipedia.org/wiki/Alternating_current

Rbrtkurtz-you are right. It around 120v, between 100v to 127v.

Interesting, do you know how much voltage is in the powerlines that go from one transformer(usually pole transformer) down to 240v?

So update your circuit to peak 170V, right? And not 120

But I'm use to 120v(100v-127v)

Ok, i guess this is what your multimeter shows you?