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.

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

How to make a LED Spirit Level using Arduino and MPU6050 | LED Spirit Level

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

An experiment of using SEFR, a fast and simple tiny machine learning classifier to detect colors on an Arduino Nano 3.0 (ATmega328P).

Better code for the MMA8452Q

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.

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.

You'll learn how to make a luxmeter with Arduino and BH1750 Module.

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

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

Setting up a new blade for a band saw is sometimes a hard job. But there could be help with Arduino power.

We can measure body temperature without contact with this device.

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

Follow this project to make an infrared thermometer by yourself!

Park your car with help from the power of the sun!

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

Discover a line

Despike/smooth data from a DHT22 with a median filter and display on a 0.96 inch OLED with the date and time from a DS3231 real-time clock!