If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...

An UV Sensor is used for detecting the intensity of incident ultraviolet (UV) radiation – radiation lying in the ultraviolet range, with wave lengths shorter than light but longer than Xrays. UV ...

Can you buy a working radar module for $12? As it turns out, you can. But can you make it output useful information? According to [Mathieu], the answer is also yes, but only if you ignore the ...