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

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

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

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

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

Use the DHT Temperature Sensors in C# code via a C++ Windows Runtime Component to implement a one-wire protocol on Windows 10 and the RPI2.

Simple Temperature Monitoring with DHT22 & Arduino.

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

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

Short and easy, read distance 2 - 400 cm and plot it in I2C OLED screen.

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

Check the humidity & temperature of your terrarium with a DTH22 humidity and temperature sensor and display this on an LCD I2C 16x2 display.

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

I'm going to show you how to make an LCD thermometer with an Arduino UNO and a LM35/36 analog temperature sensor.

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

A step-by-step tutorial for interfacing an IMU (Inertial Measurement Unit) sensor with an Arduino and reading the Yaw, Pitch & Roll values.

Very useful project made at school that detects some weather data.

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

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

A project that displays the temperature and humidity of a room on your mobile in real time.

Clock without using RTC in Arduino with Temperature and humidity indicator

Use three HC-SR04 ultrasound sensors and two battery displays to show you how close the obstacles are and from which side.

How to measuring the air quality of the Open Data Institute using an Arduino and a Shinyei PPD-42.

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