This project magically find your keys
People use almost 60 hours of their lifetime searching for keys they have misplaced or lost. Now, you can develop this key-chain project with an esp8266 12e dev board, a buzzer, a smartphone, Wi-Fi connectivity and basic programming skills . Smart keychain is a WiFi keychain. So in case you have lost your keys in your room, than you can easily find them out by this smart keychain via your smart phone. To find out how it can alert you, read this paragraph later and watch the video!