A new sensor has been designed to replace mechanical float switches. The Leveltrak is an electronic non-floating sensor. It detects level without any moving parts. Using capacitative sensing ...

I now have it "working" using two types of sensors. I have a float sensor which just gives me a binary on/off. This works fine and would probably do what I need.

Regular readers of Hackaday will know that the projects we feature are generally of the high-tech variety. Microcontrollers, 3D printed parts, embedded Linux, lots of wires, that sort of thing ...

Mark Stone/University of WashingtonBlowing dandelion seeds into the wind isn't just a pretty little way for kids (and adults) to waste away a warm afternoon outside. They’re also an exceptionally ...

Researchers at the University of Washington have a new tool they hope can aid in this effort: tiny battery-free sensors that can be dispersed in the wind via drones and gather environmental data ...

Small sensors powered only by sunlight could float in the stratosphere indefinitely and make weather-related measurements. There is a known effect for levitating flat objects with two sides called ...

Mark Stone/University of WashingtonBlowing dandelion seeds into the wind isn't just a pretty little way for kids (and adults) to waste away a warm afternoon outside. They’re also an ...