Arduino Projects – Discover a wide range of Arduino-based DIY projects, from metal detectors and 3D ground scanners to robotics, wireless communication, IoT devices, and environmental monitoring systems. Each project includes detailed circuit diagrams, source code, hardware lists, assembly instructions, and troubleshooting tips to help beginners and advanced makers build reliable electronic systems.
Analog to digital converters are a very important part in embedded electronics because most of the sensors provide output signals in the form of analog values and the analog to digital converter feeds them into the microcontroller which can only understand binary values and we have to convert these numbers into digital values. So to …
Bluetooth is one of the most popular and easy to use wireless technologies. Over the years, the Bluetooth standard has undergone many upgrades to keep pace with the current technological changes and future technologies and to meet the needs of users. From Bluetooth version 1.0 to Bluetooth version 5.0, there are many changes, including higher …
The current situation with COVID-19 remains serious. While everyone is doing their best to protect themselves, it is important to act responsibly and tackle this problem collectively. These days, it has become quite common in many public places and other gatherings to take everyone’s temperature as a precautionary measure to check for fever. The device …
In this article, we will learn what RFID is, how it works, and how to make an RFID smart door lock based on the Arduino development board. RFID stands for Radio Frequency IDentification , which is a contactless technology widely used in many industries for tasks such as personnel tracking, access control, supply chain management, library book …
In this article, we will consider the creation of a metal detector based on the Arduino board with the ability to discriminate metals. This metal detector will be able to detect small metal objects (for example, coins) at a depth of up to 15 cm, and large metal objects it will be able to detect …
Arduino Metal Detector with Metal Discrimination Read More »
Stepper motors and motors Arduino 28BYJ-48 with driver ULN2003 In this article, we will talk about stepper motors in Arduino projects using the very popular 28BYJ-48 model as an example. Just like servos, stepper motors are an extremely important element of automated systems and robotics. They can be found in many devices nearby: from a …
Arduino SG90, MG995, MG996 servos: wiring diagram and control In this article, we will talk about servo drives in Arduino projects. It is thanks to servo motors that ordinary electronic projects become robotic. Connecting a servo to an Arduino project allows you to respond to sensor signals with some precise movement, for example, open a …
Connecting a servo to an arduino Today it’s the turn of the servo motor or servo drive. Connecting a servo to an arduino What is the interest of the servo motor for us? Using the circuit from the previous lesson we can control it with the potentiometer knob. So if you have already forgotten the …
In this tutorial we will learn how the HC-SR04 ultrasonic sensor works and how to use it with Arduino. This is the most popular sensor for measuring distance and making obstacle avoiding robots with Arduino. #include <Arduino.h> #include <U8g2lib.h> #include <Wire.h> #include <Ultrasonic.h> U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0,A5,A4, U8X8_PIN_NONE); // SDA:21 scl:22 Ultrasonic ultrasonic(2, 3); void setup(void) { u8g2.begin(); // 初始化超声波传感器 …
In this article, we designed a digital tachometer using Arduino and an infrared sensor to measure the RPM (revolutions per minute) of a rotating fan. Simply connect the infrared sensor module to the Arduino and the 1602 LCD module to display the results. The infrared sensor module consists of an infrared emitter and receiver pair. …
Measuring Fan Speed Using Infrared Sensors and Arduino Read More »
