Arduino & Grove-UV sensor. Getting back, the module outputs a calibrated analog voltage which varies with the UV light intensity so basically all you need to do is connect this to an ADC input and ...

The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

It is built around a $2.50 sensor and a $3 Arduino. ... As a module can combine with other systems, ... He uses an Adafruit UV sensor to test his, ...

Adafruit has this week announced the availability of its new LTR390 UV Light Sensor and is one of the few low-cost UV sensors available on the market.

An Indian-Chinese research team has developed a novel dual-axis solar tracking system based on sensors and a controller module. “In this work, an attempt was made to design and implement a ...