Hello, I need some opinion about how to make Key Locater Using Arduino. I need the small arduino it because I want to make it like a keychain. My question is, what are the board that I can use? I need to connect that arduino with Android via Bluetooth or WIFI. That Key Locater also have LED and Buzzer. The LED will blinking when someone use android to find the lost key and the buzzer willl make sound also. So how can I do it?
Please help me :)