This video is a demonstration of a simple concept device sensing photosynhetically active radiation (visible light). The device measures the intensity of the received light at wavelenghts corresponding colours red, green and blue.
Measurement data is sent to a mobile device over Bluetooth Serial Port Profile (SPP) and viewed using an application developed using PhoneGap Build.
People involved:
Jyri Lind
Toni Hakkarainen
Tuomas Tissari
![](https://s2.save4k.ru/pic/O2lMXKEpj9o/maxresdefault.jpg)