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

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

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

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

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

Transmit temperature readings via two nRF24L01 transceiver modules using an Arduino Nano and a TTGO T-Display and upload to Thingspeak.

The E18-D80NK is an advanced low-cost IR Proximity Sensor with an obstacle detection range of 3 cm to 80 cm.

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

A weather station that can show local atmospheric pressure, temperature humidity and UV index without any internet connection.

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

The cheapest amplifier on the market to assemble DIY seismometer projects

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

If you have to drill a certain depth for a project, you need a bench drill with depth display. See how simple it works in this project.

I build this device to stop myself from touching my face.

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

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

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.

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

Fan PWM controller with temp sensing and max speed button override

This device allows you to record current, voltage, and power values onto an SD card. Recorded data can help to create useful graphs.

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

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

I've invited fellow writers and now one book is missing. Time to make a lie detector with Arduino Nano.

A telescope alignment compass, for amateur stronomes, without GPS