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2. Arduino - Wikipedia

   en.wikipedia.org/wiki/Arduino

   A typical program used by beginners, akin to Hello, World!, is "blink", which repeatedly blinks the on-board LED integrated into the Arduino board. This program uses the functions pinMode() , digitalWrite() , and delay() , which are provided by the internal libraries included in the IDE environment.

3. Charlieplexing - Wikipedia

   en.wikipedia.org/wiki/Charlieplexing

   A Charlieplexed digital clock which controls 90 LEDs with 10 pins of a PIC 16C54 microcontroller.. Charlieplexing (also known as tristate multiplexing, reduced pin-count LED multiplexing, complementary LED drive and crossplexing) is a technique for accessing a large number of LEDs, switches, micro-capacitors or other I/O entities, using relatively few tri-state logic wires from a microcontroller.

4. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   A single or a few LED junctions may be packed in one miniature device for use as an indicator or pilot lamp. An LED array may include controlling circuits within the same package, which may range from a simple resistor, blinking or color changing control, or an addressable controller for RGB devices. Higher-powered white-emitting devices will ...

5. List of Arduino boards and compatible systems - Wikipedia

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

   Arduino Uno WiFi rev 2 [4] ATMEGA4809, NINA-W132 Wi-Fi module from u-blox, ECC608 crypto device 16 MHz Arduino / Genuino 68.6 mm × 53.4 mm [ 2.7 in × 2.1 in ] USB-A 32U4 5 V 48 0.25 6 FH 14 5 6 0 Announced May 17, 2018: Contains six-axis accelerometer, gyroscope the NINA/esp32 module supports Wi-Fi and support Bluetooth as Beta feature [5]

6. Wiring (software) - Wikipedia

   en.wikipedia.org/wiki/Wiring_(software)

   A typical first program for a developer using a microcontroller is to blink a light-emitting diode (LED) on and off. In the Wiring environment, the user might write a program like this: In the Wiring environment, the user might write a program like this:

7. Cristiano Ronaldo backs Manchester City and Real Madrid to ...

   www.aol.com/cristiano-ronaldo-backs-manchester...

   Cristiano Ronaldo backed his old club Real Madrid and former rival Manchester City to return to the peak of their powers, as the two European giants approach the midpoint of what has been a ...

8. NYC Parks Department evicts thousands of Dragon boaters from ...

   www.aol.com/dragon-boats-pushed-nyc-bay...

   The city had deployed the temporary solution back in 2016 after discovering that the 87-year-old Pier 1 was suffering from widespread deterioration, but now even that alternative has been deemed a ...

9. Exclusive-Power failed at SpaceX mission control before ...

   www.aol.com/news/exclusive-power-failed-spacex...

   WASHINGTON (Reuters) -A September power outage at a California facility of SpaceX, the space venture of billionaire entrepreneur Elon Musk, caused a loss of ground control for at least an hour ...