Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Making projects using Arduino Uno as a microcontroller board is really fun if you are working on Embedded projects. If you want to make a simple calculator that is able to perform all the basic ...

The Arduino UNO board has two separate pins for attaching interrupts on GPIO pin 2 and 3. We have covered it in detail in Arduino Interrupts Tutorial, where you can learn more about Interrupts and how ...

With just an Arduino UNO R4 and a few lines of code, you can make that happen—no expensive GSM module required. In this tutorial, I’ll show you how to send SMS using Arduino UNO R4 and the free ...

There are 2 major sections here, one is how to upgrade the SDK of your ESP8266 and the second one is how to make it work as a "WiFi Shield" for your Arduino UNO. For ESP-01 to work well with Arduino ...

Step 2: Studying the Components As we know have a list of all the components that we are going to use, let us move a step ahead and go through a brief study of these components. Arduino Uno is a ...

There are many ways to use an Arduino on a model railroad. These tiny, inexpensive, programmable computers can perform functions such as controlling signals, routing turnouts, and running animations.

*This code describes how temperature sensor works with the help of Arduino Uno to display temperature in celsius and fahrenheit on serial monitor. const int LM_35=A2; // LM_35 is connected to pin A2.