Five Arduino math fixes for when it is wrong
While the Arduino library does an excellent job of hiding some of C/C++’s warts, at the end of the day, it is still just C/C++. This fact causes a few non-intuitive issues for …
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5 Common Arduino Programming Mistakes
Whenever someone sends me some code that doesn’t work, there are a few common Arduino programming mistakes that I check. Some of these mistakes I make myself. In most cases my code …
Read MoreMicrocontroller state machine with enum tutorial
Flag variables are great, and totally not evil, when you just have two states: ON or OFF. What about when you have multiple states? Is there an option better than creating multiple …
Read More"Post your code" to the style of "Let it Be"
A friendly reminder video to everyone asking for help in a programming forum. Lately I’ve been looking for ways to expand on the content in the AddOhms YouTube channel. One of the …
Read MoreWell formatted Arduino code in one click
Warning, the title of this post is a little bit misleading. It isn’t just one-click to get cleanly formatted code, it’s actually two. There are two things seasoned programmers will …
Read MoreArduino: Assignments != Comparisons
There is one mistake that all C programmers make, regardless of experience. You’ll do it often when you get started, but never completely stop. The mistake? Confusing the …
Read MoreConst vs #define - When do you use them and why?
Arduino boards have microcontrollers with notoriously small amounts of RAM. The Uno only has 2,048 bytes of static RAM available for your program to store variables. So when you …
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