I actually do hate any circuit linked straight away to 240v mains. Even so Christmas tree light fittings have been associated straight away to the mains for years and ages without any subsequent significant problems.
Casing has to be offered and the light bulbs (LEDs) has to be away from the reach off prying hands.
You may need at the least 50 LEDs in just about every thread to protect against them being torn via a spike through the 1k resistor - assuming the circuit is triggered at the apex of the waveform. As you add more LEDs to each
For 50 LEDs in for each string, the complete aspect voltage will be 180v to ensure that the highest voltage will likely be 330v - 180v = 150v. Each LED will examine a lot less than 7mA highest for the duration of the half-cycle they may be irradiated. The 1k resistor may possibly shake off 7v - since the RMS current is 7mA (7mA x 1,000 ohms = 6.99v). Absolutely no rectifier diodes are needed. The LEDs are the "rectifiers." Exceptionally intelligent. It is necessary to have LEDs in either directions to charge and discharge the capacitor.
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The resistor is offered to accept an intense surge current from one of the series of LEDs if the circuit is triggered any time the mains is at a most active region.
This can be as much as 350mA assuming only 1 LED is used, thus the value of this resistor must be adjusted should very few LEDs are being used. The LEDs above arrive at highest current.
A 100n cap delivers 6mA RMS or 10mA peak in full wave or 4mA RMS (11mA peak for half a cycle) in half-wave. (when solely 1 LED is in every one line).