Dá sa vypočítať podpora zvonka mains voltage led štetec vodový kontroverzia
Flash an LED from ac-mains power - EDN
Mains Voltage LED (and how NOT to handle mains voltage!) - YouTube
Mains Powered LED Lights - Digital Lab
Indicator LED directly to AC mains. Which method would you use? - Electrical Engineering Stack Exchange
White In-Line UNICO Series - LED ONLY - Electronic push button dimmer, specific for dimmable main vo
A New Approach to the Design of Driverless AC LED Light Engines — LED professional - LED Lighting Technology, Application Magazine
J.LUMI GSS6005 LED Spotlight 5W, 120V AC Line Voltage, 3000K Warm, Metal Construction with Ground Stake, Landscape Spot Light, Outdoor and Indoor Use, 3-ft Cord with Plug, Black - Amazon.com
Mains voltage high intensity LED flood lighting circuit board isolated on a white background Stock Photo - Alamy
Many Simple LED AC mains voltage & current indicator circuits