If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...

Emma Stenhouse is a marine scientist, educator, and writer with more than 16 years of experience. She holds an M.S. in Marine Science from the University of Plymouth. Installing a rain barrel system ...

Here is the circuit diagram of a simple steam sensor, wired around a handful of inexpensive components. This steam sensor can be connected to a microcontroller’s I/O port directly. The steam sensor ...