By Bianchi Gabriele on October 12, 2022
Who has by no means left their cellphone in a single place and realized too late that they’ve misplaced it? On this challenge we are going to search for an answer to the issue; every time you might be too far-off out of your cellphone, “Don’t Lose Me” will blink and whistle, in addition to your cellphone will play an annoying sound (or a music of your alternative).
A Bluetooth connection is established between the cellphone and “Don’t Lose Me” (by way of the HC05 module). Your cellphone is continually sending information to an Arduino Nano. When the connection is interrupted it’s for two causes: both you might be too removed from the cell or you could have pressed the pink button. In each circumstances the consequence is identical, Arduino receives no information and begins blinking and whistling, your cellphone detects that the info it’s sending has no receiver and because of this it is going to play an alarm.
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