It might be the simplest room temperature and humidity - no breadboard attached.
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 built a stylish and useful humidity and temperature sensor for our home workshop that uses color to alert us to big swings in humidity.
In this tutorial, you will learn how to calibrate and use MQ9 gas sensor with an Arduino board.
Use a fleet of devices to monitor the soil in an agricultural field or greenhouse, and visualize the data remotely.
Uses an accelerometer to level a platform.
A beginner-tier project I hope will help the fellows that are newbies in the Arduino world!
Monitor air quality on a street-by-street level using Android Things, Google Cloud IoT, and taxis!
In this project, I have measured the components of air.
Radio emissions from sky sources like Sun and Jupiter can be received and converted to digital domain for processing.
Build your own high-quality water sensor to monitor your pool or spa.
A very easy Genuino UNO project with LCD and DHT11 temp. and humidity sensor. The LCD shows the temp., humidity and other infos.
Periodically measure environmental conditions and send them to WolkAbout IoT Platform to monitor the environment remotely.
This is a simple and fun project with pocket friendly budget.
This project allows you to check temperature at home from anywhere using web browser.
Make Arduino detect any food item by a simple circuit.
This project can detect gas leaks, fire and smoke and when powered by a nine volt adapter can act as a gas leak detector for kitchens.
Measure temperature, altitude and pressure in the room.
Implemented on the NodeMCU and WeMos D1 Mini ESP8266 based development boards using the Arduino Core for ESP8266 V2 now with HTTPS support.
This is an updated version of the fire alarm I made. it includes a gas sensor and an app for control
Discover your 'Comfort Zone' while Travelling, sense your new surroundings
nRF24L01+ driver that fits into less than 1KiB flash and leaving enough room and pins for other sensors in ultra-low-power applications.
A solar-powered temperature and humidity monitoring system for compost.
The Air Quality Terminal can be used as an indoor air quality meter to monitor VOCs, CO, NO2, C2H5CH, Temp and Humidity.
