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

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

This is a 360 radar using an ultrasonic sensor that saves data and encodes them onto an image.

How to make a sensitive homemade lightning detector based on cheap AM receiver IC TA7642 and Arduino Nano.

Controls cursor using a simple joystick

Easy to build temperature and humidity sensor with a cheap 2x16 LCD.

In This Tutorial, I will Show You How to Make an Arduino Based MPPT Charge Controller

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

Arduino collects and calculates basic statistics on the acquired analog (temperature) data: average, standard deviation, min and max.

An interesting way to increase sensitivity and reduce the noise of the ADXL335 analog accelerometer.

This is an updated version of the fire alarm I made. it includes a gas sensor and an app for control

Use the cheap Fiagro TGS4161 Sensor to monitor CO2

Create an OLED screen that shows the date, time in digital and analog format, temperature and humidity.

We are showing how to use DS18B20 one wire water proof temperature sensor using Arduino.

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

This is a thermometer intended for measuring the temperature in the room where we are staying, also known as room comfort thermometer.

A simple, low-cost flex and pressure sensor!

A simple electromagnetic sensor to measure current induced by a moving magnetic field!

It can detect metal coin at 15cm +, and bigger metal objects at 50cm and more. Also capable of discriminating between ferrous and nonferrous

A simple tutorial on getting readings from an ultrasonic sensor

This is the first version of my Arduino Weather Station, a very simple project that will give you weather information.

Build a simple shutter speed tester for film cameras.

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

This is a smart plant pot that can sense the plant's condition and shows an emotional expression (animation) for that condition.