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Arduino Programming Lessons

These two buttons are important.Arduino is programmed with a mixture of C, C++ (see plus plus), and a large helping of Arduino specific code to make programming microcontrollers more accessible.

I hope you find the following lessons on programming Arduino helpful!

programming electronics logo, millis() in big letters

Arduino Sketch with millis() instead of delay()

Are you trying to build a project using Arduino and you need to program repetitive timed events? Are you looking for alternatives to the delay() function to achieve this? Have you heard of the millis() function? The wait is over. This lesson is for you. How we got here If you’ve watched the previous lessons,…

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cartoon picture of timer and title reads millis vs delay part 4, logo for programming electronics academy in top left corner

millis() vs delay(): Part 4

How do we create repetitive timed events with Arduino? Do we use delay(), do we use millis()? We continue to explore when and where we use each function in the following lesson.  Intro This is part 4 of our millis() function mini-series. Part 1 helps us understand what the millis() function does, and part 2 discusses…

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programming electronics academy logo, picture of stopwatch and title millis() vs. delay

Millis vs. Delay Part 3 | A mini-series on Timing Events with Arduino Code

Have you ever tried to create create timed, repetitive events in your Arduino sketches? Have you run into roadblocks when you try to use the delay() function? We’ll explore why this happens in this lesson.  Intro This is part 3 of our millis() function mini-series. Part 1 helps us understand what the millis() function…

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Blue hexed background with Arduino milli() written on it, and picture of programming electronics academy logo and a stop watch

delay() Arduino Function: Tight Loops and Blocking Code

Have you ever been making an Arudino project and you want something to occur at a timed interval? Maybe every 3 seconds you want a servo to move, or maybe every 1 minute you want to send a status update to  a web server. How do you do that? Is there a function that is simple…

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millis() arduino function as headline, with colorful timer icon at top and programming electronics logo

millis() Arduino function: 5+ things to consider

Have you heard of the Arduino millis() function? Did you know that it gives you access to the Arduino internal timer counter hardware which can be used for the timing of different events? We will discuss this and more in the video tutorial below.  Topics in this lesson What is a hardware clock? Timer/Counter()…

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Computer showing Arduino IDE with Serial Monitor window open

Arduino Issue: LED flickers (on then off) when using switchcase and serial monitor input via the keyboard

Are you using a switch statement that is triggered by input from the serial monitor window? For example, when you type a letter into the serial monitor, you want that letter to trigger a case in your switchcase() statement, but what you’re finding is that the switchcase() doesn’t seem to be working right? What’s going…

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Display Arduino Output with println()

Use Serial.print() to display Arduino output on your computer monitor: Part 2

In many cases while using an Arduino, you will want to see the data being generated by the Arduino. One common method of doing this is using the Serial.print() function from the Serial library to display information to your computer’s monitor.

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Using Serial.print() with Arduino to display output to a computer monitor

Use Serial.print() to Display Arduino output on your computer monitor: Part 1

In many cases while using an Arduino, you will want to see the data being generated by the Arduino. One common method of doing this is using the Serial.print() function from the Serial library to display information to your computer’s monitor. In this week’s episode, we will talk about the intricacies of the Serial.print() function.…

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Use tone() with Arduino for an Easy Way to Make Noise

Do you need to make some noise with Arduino? Maybe a simple tone for an alarm, maybe a beep to alert you when a specific input threshold is met, or maybe to play the Super Mario Brothers soundtrack to entertain your juvenile mind (it’s OK, we are all there, too). Whatever your audible need, you…

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Arduino Pseudo Random Non-Consecutive Number Generator

In this video we demonstrate how to create pseudo random numbers with Arduino – with a useful twist. This lesson was inspired by the following viewer question: How do I create Random Non-Consecutive numbers with Arduino? P.S. These are the best tutorials that a complete idiot like you could ever make, thanks. -Chris

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