ACS712 current sensor by Allegro is an Hall effect-based linear current sensor.

Lets talk about this Sharp Distance Sensor

In this protip, I will show you how to build DS18B20 Digital Thermometer with Arduino.

In this tutorial, we will learn how to detect Smoke and inflammable gases using an MQ-2 sensor.

Did you know that a standard three-wire PC Fan can be used as a sensor?

A basic introduction to the low cost and accurate HC-SR04!

This project will guide you to set up an alarm system using a motion detector.

Make a Ultrasonic Range Detector Using Arduino and SR-04F to measure any distance without using rulers with this simple tutorial.

This little project will show you how to use a soil moisture sensor.

In this tutorial, you will learn how to calibrate and use MQ9 gas sensor with an Arduino board.

This project is an Arduino radar. It is a simulation of a radar.

This project will show how to set up a 16 x 2 LCD screen and display multiple sensor values.

In this tutorial, you will learn how to use a soil moisture sensor. Practical examples are also provided to help you master the code.

Need your project to gauge distance? Here's your module!

Using the VL53LO and an Arduino for distance measurement.

Directions on how to setup your DIYmall GPRS/GPS SIM908 Module so that you can issue AT commands from your computer.

A standard speaker can be used to detect vibrations and send data to a microcontroller.

This project will show you how to use temperature and hmidity (DHT11 and DHT22) sensors with an Arduino card.

The Arduino 9 Axes Motion Shield allows your Arduino to measure movement: orientation, acceleration and magnetic field.

Using the RCWL-0516 radar sensor to detect motion.

Air meter making, a second time! Let's look at temperature and humidity using the DHT 11 module.

Stream and analyze live data from your Arduino microcontroller into Excel with the Data Streamer add-in!

+ LCD/OLED can be used to measure body temperature or to detect movement... in Celsius and Fahrenheit!

Using ultrasonic sensors to measure distance of obstacles, taking into account temperature and humidity that affect the speed of sound.