Hi @ansonhe97,
I fixed the module. I looked at the schematic view of the single LIS3DHTR Module in the wiki and compared it to the module on the Beginner Kit. It looks like the red part is powered by the lotus Board and the blue part is powered by the voltage regulator of the board itself (each with 3.3V), but they are not connected. So the red part with the VCC of the Chip is not powered when connecting only the grove pins.
