Tutorials

Are you looking to build an air quality monitoring system using an Arduino? If so, the SGP30 sensor is a great choice. In this article,

Are you interested in building a project that can detect levels of carbon monoxide (CO) in the air? In this article, I’ll show you how

If you’re looking to build a gas detection system or a breathalyzer, then the MQ-3 sensor is a great option.  This tiny sensor can detect

Have you ever wanted to build a project that utilizes a 4-digit or an 8-digit 7-segment display?  Driving a large number of 7-segment displays with

Radio frequency Identification (RFID) technology has brought great comfort to our daily lives and has revolutionized the world. From automatically detecting items you have bought

Do you want to know how to use an Arduino with a real-time clock (RTC) module?  Well, you’re in the right place! In this article,

This article will teach you how to drive a 12V DC motor water pump using Arduino.  These DC motors are used in aquariums, indoor gardens,

In this article, you learn about using NPK sensors with Arduino. NPK (Nitrogen, Phosphorus, and Potassium) are plants’ three vital macronutrients.  You can use the

This article will teach you how to interface an Arduino with a light sensor built on LDR. LDR stands for ‘light-dependent resistor’. These light sensors

In this article, I will show you how to control a fan with an Arduino UNO board.  Fans are a common household item often used

In this article, we will build a tachometer. A tachometer measures the number of rotations of a wheel, fan, engine, etc.  We will use the

In this article, you will learn how to interface a thermocouple to the Arduino UNO.  There are several types of thermocouples with a wide range

Measuring carbon dioxide (CO2) in the air can be very useful in monitoring indoor air quality, as well as levels of pollution in the atmosphere.

The CCS811 VO Sensor is an ultra-low power gas sensor that integrates a metal oxide gas sensor that detects a wide range of Volatile Organic

A tilt switch is a device you can use to detect a tilt.  In this tutorial, we will learn about how a tilt switch works