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2. Pre-lit tree - Wikipedia

   en.wikipedia.org/wiki/Pre-lit_tree

   A pre-lit tree is an artificial Christmas tree which is pre-wired with Christmas lights. The lights are wrapped around the tree before it is sold, reducing set up time and making storage simpler. The lights cannot usually be removed from the tree because they are normally embedded within the artificial branches.

3. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   Screw-base C7 and C9 light sets use line voltage (120 volt) bulbs and are wired in parallel. LED-based sets use a current-limiting resistor to reduce the current supplied to each LED. Neon-lamp-based sets have lamps connected in parallel, each with its own current-limiting resistor. Battery-powered sets are also wired in parallel. [citation needed]

4. LED circuit - Wikipedia

   en.wikipedia.org/wiki/LED_circuit

   Simple LED (Light Emitting Diode) circuit diagram. In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED.

5. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   As illustrated by a straight line on the chromaticity diagram, simple two-white blends will have a pink bias, becoming most severe in the middle. A small amount of green light, provided by another LED, could correct the problem. [38] Some products are RGBWW, i.e. RGBW with tunable white. [39] A final class of white LED with mixed light is dim ...

6. List of Arduino boards and compatible systems - Wikipedia

   en.wikipedia.org/wiki/List_of_Arduino_boards_and...

   The board can also run from a standard power supply and use the battery as backup. Additionally it can be upgraded to include a RTC chip or a high-voltage LDO. On field tests the Whisper Node was able to communicate on distances over 1 km line-of-sight and can run for years on battery, making a great platform for remote sensing and IoT ...

7. 29 House Republicans want Trump to scrap the IRS's free ... - AOL

   www.aol.com/29-house-republicans-want-trump...

   That led to the rollout of a pilot program that was available in 12 states last year and is set to expand to 24 states in 2025. A spokesperson for the IRS didn't immediately respond to a request ...