Uploaded August 2023 | Updated September 2026, 2 weeks ago

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The Problem With Delay() And How To Fix It: techexplorations.com/guides/arduino/programming/delay

Further readings:

Here are some free online resources on the topic:

1. Arduino Reference: The official Arduino reference is always a good place to start. It covers all the basics, as well as some more advanced topics. You might be interested in the section on interrupts. arduino.cc/reference/en

2. Arduino Playground – Timer1: This wiki provides a more detailed explanation of the Timer1 library, which can be used to set up timer interrupts on an Arduino Uno. playground.arduino.cc/Code/Timer1

3. Instructables – Arduino Timer Interrupts: This Instructables guide provides a beginner-friendly introduction to timer interrupts and shows how to use them in various projects. instructables.com/Arduino-Timer-Interrupts

4. Tech Explorations website: We have published several relevant articles that you might enjoy reading:
○ Optimizing the reaction time of the ATMega328. techexplorations.com/blog/arduino/optimizing-reaction-time-atmega328
○ Why should I call detachInterrupt at the start of an interrupt service routine? techexplorations.com/blog/arduino/blog-why-should-i-call-detachinterrupt-at-the-start-of-an-interrupt-service-routine
○ The basic functions of the TimerOne library. techexplorations.com/guides/arduino/peripherals/arduino-timer1
○ Can you use delay() inside Interrupt Service Routine? techexplorations.com/guides/arduino/programming/delay-print-in-isr
○ The interrupt service routine and volatile variables. techexplorations.com/guides/arduino/programming/interrupts-volatile
○ Simple multitasking on the Arduino. techexplorations.com/guides/arduino/programming/simple-multitasking-arduino
○ Concurrency with the Scheduler library on the Arduino Due and Zero. techexplorations.com/guides/arduino/programming/scheduler-library-arduino-due-and-zero

5. Arduino StackExchange: This Q&A forum has many experienced users who can provide insights and answers on more advanced topics like interrupts and timers. arduino.stackexchange.com/search?q=timer+interrupts

6. Arduino Tutorial – Interrupts: This tutorial on the official Arduino site provides a detailed introduction to interrupts, a prerequisite for understanding timer interrupts.
Remember that while these resources are free, some may require you to create an account or sign up for a newsletter. arduino.cc/reference/en/language/functions/external-interrupts/attachinterrupt

Remember that while these resources are free, some may require you to create an account or sign up for a newsletter.

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