This project is definitely only suited to experimenters with suitable mains voltage experience, as it involves high voltages.
It's the classic retro spaceship supercomputer effect, but in a convenient light bulb format.
Because the flashing LEDs go almost open circuit while unlit, the panel does need one standard LED in each parallel group to clamp the voltage to a safe level for the flashing LED.
I used the hard to get 0.5Hz LEDs here, but it will still look good with classic 1Hz ones.
Diffused LEDs give the most pleasant appearance.
I modified the capacitive dropper drive circuit to run at much lower power to give a more visual effect, since it doesn't need to light a room.
You could also use the slow RGB colour changing LEDs, as they seem to work OK in series circuits.
The lamp kits are available from AliExpress and sometimes from eBay, either with or without LEDs. They actually work out more expensive than fully built lamps from some sellers. You can get a range of sizes.
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Негізгі бет Ғылым және технология Supercomputer light bulb build - with schematic
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