CGA monitors may not be an amazing technological advance these days, but they can generally be found very cheaply. Additionally, they have a DB-9 connector and work off of TTL ranges (0-5VDC) making ...

Now you can build your own room temperature monitor using an Arduino board. The circuit is a combination of an Arduino UNO board, LM35 temperature sensor, and a 16×2 Hitachi compatible LCD. It will ...

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Arduino-fanciers Oomlout have put together a neat control box for the popular prototyping board, complete with five potentiometers and three switches. There's also a software app that can monitor the ...

Keeping an eye on your server health isn't the most romantic of pastimes. That's what compelled modder mkanoap to build a computer-free monitoring system that was as cheerily simple as Xymon's ...

If you are interested in saving money and water, you may be interested in this Arduino shower monitor which has been created by Instructables member LiamOSM. Using a small LCD screen and the power of ...

If you have allergies than you've likely considered picking up an air quality sensor for you house at some point. However, a good air quality monitor will run you upwards of $290. DIYer Chris decided ...