Two simple applications are required to transform phones into smart home devices: Galaxy Upcycle and SmartThings. These applications enable you to utilise the built-in light and sound sensors on your older phone for your particular purpose. The light sensor measures the amount of light in the environment, whilst the sound sensor detects and records five sounds: barking, meows, baby cries, knocks, and glass shattering. When your old phone detects such noises, it will send a notice to your current phone.
Here’s how you can upgrade your old Samsung phone to one of these sensors.
Step 1. Get your current Samsung smartphone ready
