Understanding Interrupts in Embedded Systems: Efficiency, Responsiveness, Scalability

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BSc Electrical & Electronics Engineering (In View) | Aspiring Software Developer | Learning Python, JavaScript, HTML & More

Day 158 of 200: Interrupts in Embedded Systems In the world of embedded systems, every millisecond counts. That’s where interrupts come in. Instead of constantly checking if an event has occurred (polling), interrupts let the system pause its current task and immediately respond when something critical happens like a button press, a sensor trigger, or incoming data. Why Interrupts Matter: • Efficiency → Save CPU cycles by avoiding constant polling. • Responsiveness → Immediate reaction to real-world events. • Scalability → Handle multiple tasks smoothly in real-time. Applications: • Keypad input in ATMs • Motion detection in smart security systems • Engine control in automobiles

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