I am very confuse and lack of knowledge in using the virtualwire library. Can anyone guide me ?
I dont understand this : vw_send((uint8_t *)msg, strlen(msg));
What is that ? I want to ask, how if I want to just send a number to be received by the receiver ?
For example I want to send a number '2'. So in the receiver code, I can write like if the message received is '2' then blink LED ?