How to interface (I/O) Robosoft system’s D-Color Sensor with Bolt Iot?
If you are using the COlour Sensor from Robosoft Systems (http://www.amazon.in/ROBOSOFT-SYSTEMS-Color-Sensor/dp/B00U3LKKGA) then you will need to interface the Colour Sensor with Arduino and then send the data over UART to Bolt.