edit:
I deleted instead of editing it,
re-posting for the sake of the thread:
I wrote:
"I would buy these boards if they were manufactured as a breakout board"
I am not good at hardware, but was looking for some cheap remote sensing. this looks like a promising idea.
I think it can be also extended to work both ways, i.e. remotely activating a relay over wireless, maybe coding the signal with certain response frequency