Can this be done with minimal components? I.e 1 resistor

 

Hello,

Did you read the User Agreement ?
There is the following given:

Restricted topics.
The following topics are regularly raised however are considered "off-topic" at all times and will result in Your thread being closed without question:

• Any kind of over-unity devices and systems
• Devices designed to electrocute or shock another person
• LEDs to mains
• Phone jammers
• Rail guns and high-energy projectile devices
• Transformer-less power supplies

You can use a wallwart (power adapter) to power the leds, with the proper current limiting resistor.

Bertus