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PIC Microcontroller Interrupts: Step By Step

Name: PIC Microcontroller Interrupts: Step By Step
Rating: 3.6 (26 reviews)

Master interrupt-driven programming to create responsive, real-time systems with PIC microcontrollers.

Role Play

Created byEducational Engineering Team, Educational Engineering, Ashraf Said AlMadhoun

Last updated 2/2026

English

English [Auto],

What you'll learn

Move to the next level in Programming PIC Microcontroller
Make your Codes more Professional by Learning advance Interrupt Techniques
Program Interrupt using Microcontroller
Learn how to use different types of Interrupts in PIC18f and PIC16f
What is interrupt?
Interrupts in PIC18f and PIC16f
RCON Register INTCON Registers
RB4-7, External, and other Interrupt types
Interrupt Practical Examples

Course content

9 sections • 49 lectures • 3h 7m total length

Section Intro0:56
Introduction2:03
Explore how interrupts work in PIC microcontrollers, learn why to use them, and study interrupt types across PIC18F and PIC16F, including external RB4-to-RB7 interrupts, with practical examples.
Understanding the Role of Interrupts in Embedded Systems
Who We Are?5:23
Educational Engineering Team
Team of skilled Engineers Sharing Knowledge with the World

Educational Engineering Team is a Leading Team in Microcontroller Industry, with over 13 Years of Experience in Teaching and Doing Practical Projects.

We strive to put all our hands-on experience in these courses. Instead of superficial knowledge - we go into the depth of the topic and give you the exact - step by step blueprint on how to tame simple as well as complex topics in easy and digestible bite-sized videos.

This real-world knowledge enables you to grasp knowledge easily, and you can apply this learning immediately to your life and projects.

Educational Engineering Team has been in the Programming and Microcontroller business since 2007. We have been part of many projects. Over the course of these years - we have gained a good insight into students’ and educators’ needs. We are passionate about sharing all our collective knowledge with you. As of 2018, we have already taught over 250k-THOUSAND students and counting.
Currently, we have more than 100+ Courses on Udemy

Educator and Author of "Educational Engineering".

Ashraf is an educator, Mechatronics engineer, electronics and programming hobbyist, and Maker. He creates online video courses on the EduEng YouTube Channel (More Than 4 Million View, 20k + Subscriber) and author of four Microcontroller books.

As a Chief Educational Engineer since 2007 at Educational Engineering Team, the company he founded, Ashraf’s mission is to explore new trends and technology and help educate the world and make it a better place.

Educational Engineering offers educational courses and Bootcamps, articles, lessons, and online support for electronics hobbyists, Programming hobbyists, Microcontroller hobbyists, STEM students, and STEM teachers.

That team also work as freelancer engineers, helping many students in their graduation projects, and provide guidance and consulting for many students over the years to help them kick-start their career.

Ashraf’s core skill is explaining difficult concepts through in a step by step easy to understand matter using video and text. With over 11 years of tertiary teaching experience, Ashraf has developed a simple yet comprehensive and informative style in teaching that students from all around the world appreciate.

His passion for Microcontrollers and Programming and in particular for the world of Arduino, PIC Microcontroller, Rasberry Pi has guided his personal development and his work through Educational Engineering.

Ashraf’s online courses have helped over 250,000 people from around the world to be better and to make a great career in the industry.

Educational Engineering Team offer Course on
Circuit Design, Simulation, and PCB Fabrication
Arduino, PIC Microcontroller, and Raspberry Pi
Programming in C, Python, and other programming languages
PLC Industrial Programming and Automation
3D Design and Simulation
ESP and IoT World

For more information use the links in the profile page to follow Educational Engineering Team and Ashraf’s latest innovations.
Who We Are?5:18
Very Important Note: Review Process0:46
What is Interrupt4:44
Explore how interrupts empower PIC microcontrollers to respond in real time by triggering an interrupt service routine that momentarily halts the main program. See real-time interrupt examples.
What if there were no Interrupts2:54
Understanding Interrupts in Microcontroller Systems
Summary0:18
Reading Meterial0:20
Introduction to Interrupts in Microcontroller Systems

Section Intro1:06
Interrupt Application Examples3:48
Different types of interrupt in PIC18F5:08
Interrupt Control Register1:40
Explore interrupt control registers in the pic18 microcontroller, including pr1, pr2, pre1, and pre2. Each interrupt uses an 8-bit register to control its operation, as described in the data sheet.
Interrupts in PIC18F Microcontrollers
Interrupt Priority and Control Bits2:34
Explore how pic microcontrollers split interrupts into high and low priority, with preemption rules, and how each source except interrupt 0 uses flag F, enable E, and priority P bits.
Conditions to Make sure an interrupt work properly4:08
Main Interrupt Control Registers5:54
Explore the PIC microcontroller's main interrupt control registers, including global interrupt enable, IPEN for priority levels, and the enable/flag bits like T0IE, T0IF, RBIE, and RBIF.
Advanced Interrupts in PIC18F
Summary0:26
Reading Meterial0:19
Understanding Interrupts in PIC18F Microcontrollers

Section Intro1:11
First Example Interrupt0 External RB0 PART17:23
Demonstrate configuring the PIC18F external interrupt on RB0, wiring a push button, oscillator circuit, and LEDs, and coding an interrupt service routine to blink LEDs when triggered.
Circuit Design
First Example Interrupt0 External RB0 Coding13:25
Code0:04
Second Example UART interrupt2:13
Design a UART receive interrupt on a PIC microcontroller using a virtual terminal to simulate TX-RX and trigger an ISR on a specific character.
Practical Interrupt Applications in PIC18F
Circuit Design
UART Interrupt Code0:13
Second Example UART interrupt Coding13:08
Learn to implement a UART interrupt example on a PIC microcontroller, including setting up UART, enabling the interrupt, handling received data, and controlling an RB7 LED.
Summary0:25
Reading Meterial0:24
Hands-On with Interrupts: Practical Applications

Section Intro1:23
Introduction & Getting Started1:52
Interrupts and External Interrupt Source4:28
PortB Line Change Interrupt Source2:04
Interrupts and PortB in PIC18F
EEPROM Data Write Interrupt1:36
Interrupt Handlers and INTCON Register6:31
Learn how interrupt handlers, or interrupt service routines, manage RB0-RB7 change events and timer interrupts using the INTCON register's enable and flag bits.
Option Register4:14
EEPROM and Interrupt Management in PIC18F
Programming the External Interrupt RB0 Example6:15
PortB 4 7 Status Change Interrupt4:43
RB0 and RB4-7 Interrupt Example5:54
PortB Interrupt Examples in PIC18F
Summary0:27
Reading Meterial0:22
Comparing Interrupts in PIC16F8XX Microcontrollers

Requirements

Basic Knowledge in PIC Microcontroller

Description

Tired of delays, missed signals, and sluggish microcontroller response?

Then it's time to learn interrupts—the tool that turns basic code into real-time control systems. In this hands-on course, you'll learn how to implement and manage interrupts using PIC microcontrollers, giving your projects instant response and greater efficiency.

Whether you're building a digital counter, sensor alert system, or multitasking automation project, interrupts are the missing link between average and advanced embedded development.

Why This Course is Essential

Interrupts allow your microcontroller to respond to external events instantly, without wasting time polling or running delay loops. This course walks you through exactly how interrupts work in PIC microcontrollers—from theory to implementation—so you can build smarter, more reliable systems.

What You Will Learn

The theory behind interrupts and how they differ from polling
Setting up external interrupts (INT, RB0, etc.) in PIC
Using timers with interrupts for real-time scheduling
Managing priority levels and interrupt vectors
Writing interrupt service routines (ISRs) in embedded C
Combining multiple interrupts in the same project
Avoiding common interrupt pitfalls like race conditions and nesting issues
Debugging and testing interrupt-based systems

Projects You’ll Build

An automatic LED flasher using timer interrupts
A push-button counter with external interrupt triggering
A periodic sensor reading and data logging system
A multi-interrupt temperature monitoring system

Who This Course is For

Microcontroller learners who want to build responsive systems
Engineering students working on real-time or automation projects
Hobbyists wanting to upgrade from delay-based logic
Developers seeking interrupt mastery for embedded job skills

What You Need to Get Started

Basic knowledge of C programming and PIC microcontrollers
A PIC development board (PIC16F877A or similar)
MPLAB X IDE and XC8 compiler
LEDs, push buttons, resistors, and breadboard setup

Ready to build microcontroller systems that respond instantly?
Enroll now and master PIC interrupts—step by step—and design the real-time systems the industry relies on.

Student Reviews

“This course helped me finally understand how interrupts actually work. Now I use them in almost every project.” —Chris W..

“Crystal clear explanations, great examples, and easy to follow. Highly recommended for any PIC learner.” — Monica G.

Instructor Bio

The Educational Engineering Team, led by veteran instructor Ashraf, has trained over 250,000 students in embedded systems. With a focus on making real-time control practical and understandable, they specialize in breaking down complex PIC topics—like interrupts—into bite-sized, project-based lessons you can apply immediately.

Start Now – Learn PIC Interrupts the Right Way

Who this course is for:

Anyone looking to Master Interrupt using PIC Microcontroller
Anyone with a curiosity for making electronics
People with no experience in electronics
People with an intermediate knowledge of electronics

PIC Microcontroller Interrupts: Step By Step

What you'll learn

Explore related topics

Course content

Introduction10 lectures • 23min

Software Requirements4 lectures • 2min

Interrupts in PIC18F9 lectures • 25min

Practical Examples11 lectures • 38min

Interrupts in PIC16F8XX12 lectures • 40min

Download and Install Software Section2 lectures • 22min

Practice Test0

Course Project2 lectures • 3min

Course Wrap-Up1 lecture • 34min

Requirements

Description

Who this course is for: