A really economic street lighting system.

The sunflower follows the light using a servo motor and two photoresistors.

Use an Arduino, two small servo motors with light sensing photo resistors to steer a solar panel towards the sun. UPDATED

How to connect GPS, SONAR, sensors, auto pilot units etc. in ships and boats via NMEA 0183 to Arduino.

Using one single module and a proper library you'll be able to measure any AC voltage like a TRMS multimeter.

Simple Temperature Monitoring with DHT22 & Arduino.

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

This project uses an ultrasonic sensor to "sense" if the door opens or closes.

This is tutorial to help you understand ultrasonic and buzzer and go deeper into learning Arduino, follow these steps and give me feedback.

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

This tutorial will show you how to use DHT11 with Arduino.

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

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

Don’t you wish your plants would tell you when they needed to be watered? Take your project from breadboard to PCB with this fun tutorial.

Take readings from the DHT11 Temperature/Humidity sensor and see them from the Arduino IDE Serial Monitor.

Soil moisture sensor which gives you LCD display of percentage of moisture.

This is an Arduino Uno with a DHT11 temp/humidity sensor with and LCD screen powered by a power bank.

It is a simple tutorial on how to create little a security device using an Arduino.

MQ2 Sensor is a gas module and it is suitable to detect Hydrogen, LPG, Smoke, CO, and Alcohol. It has high sensitivity and fast response.

Using the VL53LO and an Arduino for distance measurement.

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

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

6.4A-2uA current/voltage/power monitor based on the TI INA209 with extra GND usable as Arduino shield, FeatherWing, breakout or breadboard.

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