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Home Automation

1 Post authored by: nirmal2000
so, I am using Arduino Nano for this home automation project. and a Bluetooth module for controlling the home appliances using smart phone. the relay is used to turn O/OFF the mains(230 v) by using 5 v control signal form Arduino Nano through a transistor. the PIR motion sensor is used to detect the motion and turn ON/OFF the particular home appliance that we are often use when we enter into a room. say eg: light, fan, TV etc... the DHT 11 temperature and humidity sensor is used to display the t ...