STM32F446RE synchronize wireless

[kondo yasunori]

Posted on January 23, 2018 at 12:54

There are 2 Nucleo STM32F446RE. Let the first one be A and the second one be B.

Is it possible to do this wirelessly if you start Nucleo B program as soon as you press 

Nucleo A button?

The development environment is CubeMX.

The distance between A and B is about 3 meters.

[Andrew Neil]

Posted on January 23, 2018 at 13:55

start Nucleo B program as soon as you press Nucleo A button?

You could have some sort of wireless power switch: Nucleo A sends a command to it, and it then turns on Nucleo B.

But probably what you really mean is that you have a program in Nucleo B 'listening' for signals sent wirelessly from Nucleo A.

Yes, of course that is possible - that is what all 'remote control' is about!

[kondo yasunori]

Posted on January 24, 2018 at 11:01

First of all. Thank you for your reply.

But could you tell me in detail, how to connect these two Nucleo A and B wirelessly?

For example, what hind of sensor should be applied to it and so on.

I'm really hoping that you can give some advice.

[Andrew Neil]

Posted on January 24, 2018 at 12:08

No - that really is the basic research part of your project that you need to do yourself.

There are huge numbers of possible 'wireless' communication devices - optical, audio, radio, etc ....

You need to do some basic research to see what people have used in similar projects/situations to yours.

If we just look at the radio-based products from ST there's a whole range: 

http://www.st.com/en/wireless-connectivity.html

 

And that's just from ST - hundreds of other suppliers are available.

eg, you might get some ideas here (again, all radio based): 

https://www.ashwireless.com/lists/3

 

[Tesla DeLorean]

Posted on January 24, 2018 at 15:14

Consider LoRa Disco board for such experiments. 

[Andrew Neil]

Posted on January 24, 2018 at 15:30

LoRa seems a bit OTT for the simple remote control described in the OP.

A simple IR remote would suffice for that ...

[Tesla DeLorean]

Posted on January 24, 2018 at 15:40

Perhaps, but does have radio that will go 3m, and 3km, built in.

Have considered making a LoRa garage door remote so I can shut the door or confirm the state when I'm a mile or too down the road.