Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and ...

This humidity sensor consists of 2 copper conductors that are located at small distance from each other. The relay switches as soon as the moisture makes a connection that is more or less electrically ...

I bought a Ninja Block about three years ago, which is essentially a Arduino + Node.js server thing that runs on the device to send the data from your devices (in my case, just two 433Mhz ...