arduino
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Interfacing MAX4466 Microphone Amplifier Module with Arduino As you may know many of our everyday appliances or devices such as smartphones, home automation systems, smart speakers, headphones and many others have their own built-in microphones to capture the audio data. And if we look at them there are different types of microphones available, such as condenser, ribbon, dynamic and MEMS. Most modern devices like smartphones… |
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Introduction to PAJ7620 Gesture Recognition Module Starting with physical switches, the way we interact with electronic devices has evolved significantly over the years. We moved from switches to touch screens, and research has continued to push the boundaries further. Today, we've gesture recognition, where you can control and access machines without any physical touch. While it may seem hyped, experiencing gesture… |
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DIY Portable Starmap: Your Arduino-Based Cosmic Companion A maker named Shabaz has made a new portable Starmap that provides a convenient way for enthusiasts to explore the cosmos. Unlike traditional star charts, this compact device is designed to be easily used in remote locations without needing internet connectivity. The Starmap uses a 1.28” GC9A01 round TFT LCD screen with a 240x240 resolution, typically found in cheap… |
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Interface Water Level Sensor with Arduino UNO – Circuit, Code & Working Water tank overflow is a common problem that leads to water wastage, yet it's surprising that many households don't even consider it a concern. Though there are many solutions for it, like ball valves that automatically cut the flow of water when a certain level is reached, as an electronic engineer, I prefer a solution that includes sensors and automation. So, in… |
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Crowd Monitoring Device with Arduino UNO R4 and IoT Cloud This sample project was built for the IoT and Edge AI Project Contest 2024. More details can be found on our contest page. The main objective of this project is to monitor the crowd inside specific premises that have entry and exit pathways. This project integrates Arduino Cloud, enabling easy remote monitoring. Let's… |
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How Does a Contact-Less Liquid Level Sensor Work? You might have seen there are many types of liquid-level sensors available on the market. They are mostly used in automatic pump controls and industrial applications. The most common type of sensors that were used were the float switch type sensor or the conductive sensors. Even though they were used commercially each type comes with its own problems. For example,… |
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Arduino DC Motor Speed Control using MOSFET Transistor From a simple electronic toothbrush to complicated robotics systems, DC motors are present everywhere. In most of our previous Arduino projects, we have used these DC motors as actuators and regardless of the application, controlling the speed and direction of these motors is essential to make them functional and effective. So in… |
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OpenSource UI for SmartWatch - Built with LVGL on the Arduino framework Felix Biego, an embedded software engineer from Kenya, has recently developed an open-source user interface for a smartwatch using LVGL on the Arduino framework. This UI runs on the ESP32 C3 Mini with a 240x240 touch display. Amazingly, it includes all the basic features of an entry-level smartwatch in the 2024 market. The supported… |
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A Simple Automatic Plant Watering System without Microcontroller Nowadays, many people are turning towards green solutions to lead healthier lives. Efforts are being made to grow plants, which contribute to maintaining the stability of nature. The key challenge in growing plants is maintenance, particularly ensuring they receive adequate watering. Despite our best intentions, we may forget to water our plants at times. To address… |
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Arduino Robotics Projects: From Basics to Advanced Arduino projects have gained immense popularity among both seasoned makers and beginners due to their ability to blend innovation and fun. Whether you have years of experience or are just starting out, Arduino offers a user-friendly interface that makes it easy to get started. Additionally, the vast community support surrounding Arduino ensures that you will never be… |
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Interfacing OLED Display with Arduino Most of us would be familiar with the 16×2 Dot matrix LCD display that is used in most of the projects to display some information to the user. However, these LCD displays have a lot of limitations in what they can do. In this tutorial, we are going to learn about OLED displays and how to use them in your Arduino Projects. There are many types of OLED displays available in the market and… |
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Arduino OLED Eyes Animation for Robotics Projects Nowadays, there are evolving projects in robotics, and many hobbyists are creating their own robots. For these Robots, displays are a vital component of an interactive user interface. If you're someone working on robotics projects for final year and searching for ways to create amazing eye animations on an OLED display using the Arduino environment, you've likely… |
