Introduction: Flashing LED by Arduino (Leonardo)

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If you want to create a flashing LED by using Arduino the things you need are:

1.Arduino

2.Breadboard

3.Wires

4.220 Resistors

5.5mm LED

take https://www.instructables.com/id/The-Do-More-Time... as reference

Attachments

Step 1: Step 1 : LED, Arduino Connection

Step 2: Step 2 : Arduino Programming

https://create.arduino.cc/editor/vincent20040331/9e222c03-dc9c-439d-bedb-8966490b5ccc/preview