LED Blinking with Arduino Uno - Circuit and Code
![LED Blinking with Arduino Uno - Circuit and Code](https://circuitdigest.com/sites/default/files/circuitdiagram_mic/Arduino-LED-Circuit.gif)
Here we are going to write a program to blink an LED for every 500ms. In arduino uno, a LED will be already designed at the pin13, but we are not going to use it. Here we are going to connect an indicating LED to PIN0 through a current limiting resistor.
![](https://i0.wp.com/arduino.cc/en/uploads/Tutorial/ExampleCircuit_sch.png)
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L5: Blinking Two LEDs - Physical Computing
![](https://www.circuitgeeks.com/wp-content/uploads/2020/10/Start-Simulating-1024x489.png?x18526)
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![](https://cdn.sparkfun.com/assets/learn_tutorials/3/1/0/Arduino_circuit_04_01.png)
SIK Experiment Guide for Arduino - V3.2 - SparkFun Learn
![](https://makeabilitylab.github.io/physcomp/arduino/assets/movies/Arduino_Blink2Animation_Pins3And4-NoSchematic-Optimized.gif)
L5: Blinking Two LEDs - Physical Computing
![](https://content.instructables.com/FTU/BZSR/I7KB2EOP/FTUBZSRI7KB2EOP.png?auto=webp&fit=bounds&frame=1)
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L2: Blinking an LED - Physical Computing
![](https://metastudio.org/uploads/default/original/2X/9/9023c46cd157fde11eeb234f06e9c0af7796ff5b.png)
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![](https://images.theengineeringprojects.com/image/webp/2017/01/A-Simple-Arduino-LED-Example-in-Proteus.jpg.webp?ssl=1)
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