Arduino Tutorial

  A PID controller is a must-have for any control system aiming for stability. I’ve introduced how to implement PID using an Arduino microcontroller. Now, I’ll be applying PID in the design of a beginner robot project, a line follower. A line follower does what it’s named after. An optical …

In this tutorial, we will look into adding LED bar graphs to your Arduino projects. Understanding how to effectively use Arduino LED bar graphs opens up possibilities for visualizing data, creating dynamic displays, or simply adding an eye-catching element to your projects. Throughout this guide, I will show you how …

In embedded C programming, "packed" refers to a method of organizing data in memory where there are no empty spaces or padding between the data elements. When data is packed, it's placed right next to each other without any additional room, which can help save memory space. 

Plants need more than water to grow well. They also need nutrients in the soil, especially nitrogen, phosphorus, and potassium. These three nutrients are often shortened to NPK, which is why this type of soil nutrient probe is commonly called an NPK sensor. In this tutorial, you will learn how …

End your search for the ultimate, cost-effective IoT starter kits designed to help you construct innovative IoT solutions. With these exceptional smart device kits, your journey into the world of IoT begins here. The Internet of Things (IoT) represents the future of technology, a sector poised to attract billions of …

In this IoT age, there are several ways of sending and getting data to/from a microcontroller to a remote server. This article will be part of a series about such ways through the Arduino ENC28J60 shield or module. Here I will be showing the classic way of communicating via the …

Labcenter Electronics’ Proteus has become an indispensable tool for engineers as it offers not only schematic and PCB design but also real-time simulation. However, Arduino simulation is not supported by this application by default. This tutorial will show you how to simulate an Arduino with Proteus ISIS.

Last time, I showed you how to send HTTP requests via TCP featuring the ENC28J60 ethernet shield. We continue with our series with another post, this time, using JSON for data transfer. Full tutorial after the jump.

If your Arduino code involves decision-making, then it's very likely you're using conditional statements. Using if ... else... is common;  switch statements as well. But there is a third way, using ternary operator, that will really make your code shorter.   Example Scenario Say we are reading the state of …

An Arduino’s EEPROM, depending on the type of board, can store up to 4 KB of data. The Arduino UNO, in particular, stores 1024 bytes or 1024 ASCII characters. With that space, how can we store a sentence? Or a paragraph? This is what this article is all about.