Two Arduinos and Grove Bluetooth Modules

Community General Info - Guidance
#1

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…

#2

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

b2b
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https://www.aliexpress.us/item/3256805590861447.html?gatewayAdapt=glo2usa4itemAdapt
:v:

#3

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:

or

Thanks!

#4

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

Grove_serial_bluetooth_3_.jpg1
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FYI , they are Bluetooth 4.0 , NOT BLE just fyi.