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2. 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]

3. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Digital wireless camera. Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio.

4. Backup camera - Wikipedia

   en.wikipedia.org/wiki/Backup_camera

   Wireless backup camera: These come with a wireless camera and receiver, which makes them easier and cheaper to install than wired versions. [ 3 ] Built-in audio intercom: Used in addition to the camera system for communicating with a spotter outside the vehicle, common when backing large trailers or launching boats.

5. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Many also have built-in backup batteries for wired systems and a phone or Ethernet line in or out port. Some might have a serial port for connection to a technician's computer for diagnostics. These are the true heart of the system. Most control (user interface) panels connect directly to this panel in older or larger wired systems.

6. 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.

7. US charges ex-TD Bank employee with helping to launder money ...

   www.aol.com/news/us-charges-ex-td-bank-174412767...

   A former TD Bank employee based in Florida was arrested and charged with facilitating money laundering to Colombia, New Jersey's attorney general said on Wednesday, in the first such arrest since ...