Yes, you can use this kit on Intel Galileo Gen1/Gen2 board and Edison for Arduino.
2. There's nothing displayed on the Grove - RGB LCD backlight, but the back color works fine.
Please check whether the powering switch(3.3V/5V) is on 5V side.
3. Do you have the information for the grove header and the cable?
- The vertical grove connector is 4pin 2.0mm(datasheet).
- We sell grove connector cables with different length. The length of Grove cables in this kit is 20cm grove cable.
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.