Introduction: LED for Arduino

Refer to the work of this person. https://www.instructables.com/id/Arduino-Blinking-LED/
We need,
1x Arduino
1x Breadboard
1x - USB Cable
3x-Led
3x 100 Ohm Resistor

Step 1: The Circuit

connect pin 7 10 12 on your Arduino on spot on your breadboard, then your resistor. On the other side of the resister, insert the led.

Step 2: The Code

https://create.arduino.cc/editor/QQidk/6a0cd1fd-67f6-40a4-9bc5-5005e169facb/preview

Step 3: Video

https://youtu.be/TriKX_kt-II