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

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.

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

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.

Get the highest accuracy and efficiency when measuring altitude with BMP180 Pressure Sensors by using a tilt sensor and a vibration motor.

How to build an humidity and temperature meter with time display from an old voltage meter casing.

The lightmeter based on Arduino as a main controller and BH1750 as a metering cell. Information is displayed on SSD1306 OLED display.

Simple data logger that stores electrical data (voltage, current, power, energy, etc.) in an SD card, with timestamp for later analysis.

An environmental monitoring system using a Nano, with GPS, BME680, VEML6070, MiCS-5524, BH1750, a 128x64 OLED, and NeoPixels.

Here we use PIR sensor and Arduino to detect the motion of a hand. This detection can be used to operate electronic equipment.

This is a very precise scale for any weight up to 1.5 kg!

This project is about a simple movement detector. Whenever any obstacle comes in a line (predefined) a light will glow.

A cube with all the necessary sensors, suitable for a wide range of applications like agriculture. Know the land beneath you!

Get the weather information through an Android app constantly and use the solar energy generating by the PV panel to charge devices.

Portable distance detection device using an Arduino and an ultrasonic sensor.

Alexa-enabled smoke, flame alarm with emergency lighting.

This coaster detects the temperature of a cup. You get a signal when it is ready to drink.

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