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

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

DIY Arduino air quality monitor which can measure surrounding air quality also shows temperature and humidity in your room.

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.

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

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

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

Use the cheap Fiagro TGS4161 Sensor to monitor CO2

A fun and simple project that uses TinyML to detect and respond to dog barks.

An air monitor that can measure CO, CO2, H2, CH4, NH3, Alcohol, Bangene, Acetone, Hexane, Toluene, Smoke and Flammable gas concentration.

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

Portable range/distance detection device using an Arduino, ultrasonic sensor, and buzzer.

An object detection method using MobileNetV2 in Edge Impulse on Nvidia Jetson Nano to detect the pedestrian in blind spot region.

The cheapest amplifier on the market to assemble DIY seismometer projects

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

An electronic spirit level using 'Motion Gestures' to get things horizontal OR to the slope of your choice!

Pulse induction metal detector, built on the Arduino Nano.

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.

In this tutorial I will show you how to make gas leak alert security alarm using arduino nano and mq 5 gas sensor

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

A simple project to make a GPS log station with data speed, max speed, distance trip and altitude. all data are write on SD card

A cheap DIY air quality monitoring device.

A digital stadiometer for human height measurement.