Two Arduinos and Grove Bluetooth Modules

What is the best way to connect two arduinos at a distance of 30-40 meters via bluetooth. I own two Arduino Uno and 2 Base Shield V2. For example turning on and off the diode on one arduino using the push button on the other…

Hi there,
A couple Serial UART BLE modules and some code is all your lacking to do it.
GL :slight_smile: PJ

As I already mentioned, I have two pieces of Base Shield V2 and I would like to avoid a lot of wiring. Can I use any of the existing Grove Modules for this purpose? For example, why or why not this modules:



HI there,
Yes those will work , not much more code to it either.
GL :slight_smile: PJ :v:

FYI , they are Bluetooth 4.0 , NOT BLE just fyi.