Circuit diagram of the GR-KAEDE.

As a structure,
①GR-KAEDE body
② connection board (option)
③ camera board (option)
This time, it is the public of ① and ②

It's provided by the manufacturer of India NGX, Inc.
It does not have a description, but it can be handled in CC-BY.

I replace circuit diagrams to circuit diagrams and dimensions of the GR-KAEDE. (2015/07/21)

I included ③ camera board in the GR-KAEDE (2015/08/04)