Pulse induction Metal Detector. It can detect a metal coin at a distance of 15 cm and a larger metal object at a distance of 40 cm and more.

Use a ratiometric linear Hall effect sensor to build simple magnetic field strength meter.

Learn to build a pocket weather station that displays temperature and humidity using Arduino Nano!

This circuit measure the water level of a tank and wirelessly send it to a receiver where it is displayed using a LCD display and LEDs.

We can measure body temperature without contact with this device.

I am back again with another Arduino based home automation project.

A digital stadiometer for human height measurement.

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

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

Use Arduino and Raspberry Pi to get notified if a hot water heater pilot light goes out.

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

A low cost air quality monitoring device created with an aim to detect pollution hotspots caused due to traffic jams or factory emissions.

How to Make MP2.5 & Co2 Detect Wall Clock for Indoor using Arduino, MG811, GP2Y1014AU Sensor

A cheap DIY air quality monitoring device.

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

Fan PWM controller with temp sensing and max speed button override

Simple metal detector capable of detecting a small coin at a distance of 4-5 cm.

Project stabilometric platform made with Arduino. Stabilometric platform can be used for medical rehabilitation and games.

Arduino Stepper Motor Barometer with additional displays for last 3 & 6 hour pressure changes.

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

This is a tipping bucket rain gauge designed in two separate modules; an outdoor sensing unit, and an indoor display with SD card data.

Pulse induction metal detector, built on the Arduino Nano.

How to Make a Non-Touch Doorbell, Body Temperature Detection, GY-906, 433MHz using Arduino

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