A cheap DIY air quality monitoring device.

Use a DHT22 sensor with Arduino to acquire room relative humidity, temperature, humidex. Show values on display. Log data with MATLAB.

A simple device that makes controlling humidity and saving energy a snap. Operates as easily as a thermostat.

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

How to use a GY86 (wave measurements) and water temperature sensor.

A super smart buoy with lots of sensors that sends data over radio to a base station where it is displayed on a real-time dashboard!

The ball and beam system is laboratory equipment with high nonlinearity in its dynamics and PID control.

Literally the simplest way to make a weather station!

This fully functioning Geiger counter was designed after the PKE Meter from the 1980s Ghostbusters movie.

Remote temperature monitor using a Bluetooth module and an NTC thermistor. An Android app made with App Inventor is used to read data.

The detector can detect a small metal coin at a distance of 15 centimeters.

Pulse induction metal detector, built on the Arduino Nano.

Easy to build, but comparable with professional seismometers, homemade Arduino seismometer.

An Arduino based device to monitor the levels of combustible gases, carbon monoxide, relative humidity and temperature in the kitchen.

A digital stadiometer for human height measurement.

Copy colours from outside environment.

Build an Arduino heart rate monitor with a MAX30102 sensor and a 16x2 LCD.

How long were we released from the gravity of the Earth? This machine measures how many seconds we are zero gravity state.

As the title says, this is a pretty simple PIR motion controlled relay using an Arduino Nano.

Create a burglar-tripwire with the ultrasonic sensor.

The ElectronicsLovers Tech Team built this module, which has one difference from a usual one: it’s digital.

Intelligently reduce the moisture in your basement/crawlspace to help control mildew growth and lower your heating/cooling bill.

During the summers, many people get sunstroke because of playing in the sun for too long. So this device will prevent getting sunstroke.