This project uses an ultrasonic sensor to "sense" if the door opens or closes.
Project showcase by MattG
Clock without using RTC in Arduino with Temperature and humidity indicator
Project tutorial by ahmadordi
On the display is printed temperature (celsius) and humidity (%) with a DHT11. When it's raining the LED lights up. You need a rain sensor!
Project showcase by Rick_Findus
Find the distance from one point to another faster!
Project tutorial by Saaket Poray
ACS712 current sensor by Allegro is an Hall effect-based linear current sensor.
by Team Instrumentation System
The Grove Gas Sensor (MQ2) module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4 and CO.
Project showcase by Mahamudul Karim Khondaker
It might be the simplest room temperature and humidity - no breadboard attached.
Project tutorial by adrakhmat
It measures the distance between you and the place where you point it to. Hope you'll enjoy it!
Project showcase by onatto22
In this project I made a touch sensor using a coin that works based on Arduino Capacitive Sensing Library.
Project tutorial by Amal Mathew
How to measuring the air quality of the Open Data Institute using an Arduino and a Shinyei PPD-42.
Project tutorial by OpenSensors.io
In this tutorial, you will learn how to calibrate and use MQ9 gas sensor with an Arduino board.
Basic instructions on building a simple auto fan.
Project showcase by Ömer Beden
This is the first version of my Arduino Weather Station, a very simple project that will give you weather information.
Project tutorial by Gabriele Scordamaglia
For DETECTING fire for about a small range of 3 feets
Project tutorial by SURYATEJA
Water level with LED alarms and buzzer with level distance and temp on LCD.
Project tutorial by MichDragstar
I am going to show you how to make a simple obstacle sensing system with cheap parts like IR LED and photo diode.
Project tutorial by muhammed shameel k.v
Give this the parameters you want and the LEDs will light up according to the temperature cold blue, green fine, red hot
by Luca McLoughlin
PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small
Project tutorial by DIY Partners
In this project, use the YF-S201 1/2-inch water flow sensor to measure the water flow rate (L/min) and display it on an LCD.
Project showcase by rayatedarshan
Use three HC-SR04 ultrasound sensors and two battery displays to show you how close the obstacles are and from which side.
Project tutorial by SurtrTech
Measure your light intensity lux using this sensor and simple code.
Project tutorial by afsh_ad
It reads from up to eight temperature sensors (DS18B20) and displays on the LCD display (16x2)
In this project, I am going to demonstrate to you how to log data from LM35 temperature sensor values to an SD card and store it as CSV.
Project tutorial by 3 developers
This project is a good learning project to get comfortable with soldering and programming an Arduino.
Project tutorial by Jen Looper
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