But if you are working with a humble Arduino UNO or Nano board and you want to ... Control Arduino pin to turn on and turn off the LED depending on the URL the users are redirected to. To connect the ...

Connect the longer leg (anode) of the LED to digital pin 7 of the Arduino Uno. Connect the shorter leg (cathode) of the LED to the ground (GND) of the Arduino Uno through a current-limiting resistor ...

I am thinking about how to control more than 20 led with Arduino Uno because Arduino Uno only has 13 digital pins. So how It's possible? That's why I came with the shift register 74hc595. We need only ...

ARDUINO UNO is an ATMEGA controller based board designed for electronic engineers and hobbyists. Arduino based program development environment is an easy way to write the program when compared to ...