38-3D Blog

  • Arduino Timer Tutorial

    Timers are an essential feature of microcontrollers, allowing you to perform tasks at precise intervals without relying on delays. The Arduino Uno has three built-in hardware timers (Timer0, Timer1, and...

  • How to Use a Push Button Switch with the Arduino

    Push button switches are commonly used in electronics to control devices or trigger specific actions. With an Arduino, you can easily read the state of a push button and use...

  • Detecting Objects with the ESP32-CAM

    The ESP32-CAM is a powerful, low-cost microcontroller with a built-in camera module, capable of capturing images and streaming live video. By leveraging its processing capabilities and integrating external machine learning...

  • Creating a Camera Server with the ESP32-CAM

    The ESP32-CAM is a low-cost microcontroller with a built-in camera module, capable of capturing images and streaming live video. By setting it up as a camera server, you can access...

  • Analog Read and Write Using the Arduino Uno

    The Arduino Uno supports analog input and output operations, enabling you to interact with sensors and actuators requiring precise values. Analog operations are essential for controlling devices like LEDs, motors,...

  • Digital Read and Write Using the Arduino Uno

    The Arduino Uno provides the capability to interact with the real world using its digital pins. You can use these pins to control devices such as LEDs, motors, and relays,...

  • How to Use a Soil Moisture Sensor with Arduino

    A soil moisture sensor measures the volumetric water content in the soil, making it ideal for smart gardening, agricultural automation, and irrigation systems. This tutorial will guide you through connecting...

  • How to Use a Snow/Rain Sensor with Arduino

    A snow/rain sensor is a device used to detect the presence of snow, rain, or water. It’s often utilized in weather monitoring, smart irrigation systems, and IoT projects. This tutorial...

  • How to Use the TTP223 Touch Sensor Module with Arduino

    The TTP223 is a capacitive touch sensor module that can replace traditional buttons in Arduino projects. It is easy to use, highly sensitive, and perfect for applications like touch-based controls,...

  • How to Use the L298N Motor Driver with Arduino

    The L298N motor driver is a popular module for controlling DC motors and stepper motors. It allows you to control motor speed and direction using PWM signals from Arduino, making...