描述

Proximity sensor is a distance sensor that fetect objectswithoutany physical contact . In this app the sensor output isrepresentedby one and zero . When sensor detect any object it'lltransfer '1'to arduino otherwise it'll send '0' to arduino.Usingcombinationsof one and zero we can control every thing we want fromtransducersto home appliances. Algorithm that can be used on thearduino sideis that continuously check whether char '1' is recievedor char '0'is recieved if char '1' is recieved it means that sensorhas outputHIGH now do what you want to do with it and vice verse .Arduino isone of the most famous microcontroller. This app let youcontrol ofarduino from android phone . Surely otg has severaladvantages overbluetooth . 1. It is cheap 2. Easy to connect 3.small size 4.Durable