So this project is called smarthome, smarthome is where all our devices can be controlled starting from TV, AC lights and others, this project was made by a team, and my team is me, Rajjah, and Azka, this project was made using several websites called makecode microbit, firebase, and dasboardiot.my.id, and also this project also requires several tools such as solenoid, microbit, battery, RFID module, and the last relay, the first function of the solenoid is an electromagnetic-based automatic security lock that functions to lock / open the door, the second microbit functions to put the code so that smarthome can function, the third battery is used to provide power, the fourth RFID module is used after being tapped with a special card to tell the solenoid to open the door, the last relay is used to regulate the voltage, that’s all