Two mobile phones will run an app. This app, from the first phone, will send a predifined number to the other phone, when the second comes within the range of the bluetooth. When the second phone receives this number, it will send back an acknowledge, perdifined, number.
26 freelancers κάνουν προσφορές με μέσο όρο €356 γι' αυτή τη δουλειά
Hi I work towards providing reliable, relevant and robust IT solutions at most competitive prices to my customers. I ensure 100% customer satisfaction so lets start Thanks