Hi All
I have two arduino mini pro and 433mhz tx and rx. my issue is when magnetic switch get open i want to send pulse to RX and blink LED there 10S and get off. this is in two different locations. this is for my school project someone help me plz.
So, what did you try?
i dnt have any idea to try im newbie
Then find a tutorial (or a book) and start learning 
im doing at the moment