---
title: "Discussion on \"What are interrupts in Arduino, and how are they used?\" | Hashnode"
description: "Discussion on \"What are interrupts in Arduino, and how are they used?\". Interrupts in Arduino allow the microcontroller to immediately respond to external or internal events without constantly polling (checking) inputs. They pause the normal program flow, execute a special function (ISR), and then resume the original tas..."
url: "https://hashnode.com/posts/what-are-interrupts-in-arduino-and-how-are-they-used/68245957ed548cde12e5a920"
---

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# [What are interrupts in Arduino, and how are they used?](https://ampheoelectronic.hashnode.dev/what-are-interrupts-in-arduino-and-how-are-they-used?utm_source=hashnode&utm_medium=feed)

Interrupts in Arduino allow the microcontroller to immediately respond to external or internal events without constantly polling (checking) inputs. They pause the normal program flow, execute a special function (ISR), and then resume the original tas...

May 14, 2025 · 3 min read · ampheoelectronic.hashnode.dev  
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-   [#interrupts](https://hashnode.com/tag/interrupts)
-   [#arduino](https://hashnode.com/tag/arduino)
-   [#microcontroller](https://hashnode.com/tag/microcontroller)

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