I'll show you, how to monitor some hardware variables.
This device measures fine dust and NO2 concentration in the air while on the move and adds GPS coordinates to each measurement location.
Using a ESP8266 to detect when a friend is near.
Radio emissions from sky sources like Sun and Jupiter can be received and converted to digital domain for processing.
Use the Particle Electron to get a project online in 15 minutes
Use a fleet of devices to monitor the soil in an agricultural field or greenhouse, and visualize the data remotely.
Read temperature and humidity values in a remote location and store the data in an SD card.
The easiest way: install Parallax then upload the Arduino code.
Building your own portable weather station and analyzing weather data in the cloud.
Visualize car data with a free Blynk account, particle electron and Carloop.
Standalone Arduino 6-channel triggered oscilloscope with optional freeze frame.
Many publications exist about moisture sensors for applications, e.g. plant watering systems. Making a DIY Sensor is fun and cost-saving.
A self-made (cheap) water level sensor and water level indicator to measure 5 water levels in a reservoir tank.
In this tutorial, you will learn how to upload and download data to/from a Firebase database with Arduino UNO and ESP8266 module.
Easily measure air quality, avoid polluted areas, and improve your health and that of your community.
6-channel digital sampling oscilloscope with built-in frequency counter, maximum sampling rate 47kHz.
Send temperature and humidity data from an Arduino MKR1000 to Microsoft Azure.
Use a $9 GSM module & the Hologram network to remotely control any Arduino with Blynk App.
An Arduino powered floppy disk controller and reader for making disk images from old AmigaDOS floppy disks.
The temperature of your room, visible on a gauge on the internet. For a few bucks. Uses Python, Dataplicity and Freeboard.
Using a standard water meter with pulse output, counts the pulses to measure the volume and cost of water used.
There is no doubt that you will love this wall clock.
Log your Energy Meter data using a Raspberry Pi and plot graphs of your energy consumption.
Reads and stores in SD card, the temperature and humidity values over time.