Design and construction of Internet of Things (IoT) password based circuit breaker

Caleb Luke Onwuemeodo, Chukwuemeka Duru, Covenant Chimeremeze Anyasodor, Ngozi Doris Obiefule


The circuit breaker is an absolutely essential device in this modern time. It is one of the most convenient safety mechanisms used. Whenever electrical wirings in a building have an over current flowing through them, the circuit breaker interrupts the passage by shutting down the circuit, thereby preventing damage to electronic equipment and other casualties that occur as a result of over current. This project work focuses mainly on the domestic use of the circuit breaker. In this project, the circuit breaker is combined with password for protection, a microcontroller and an Internet of Things (IoT) GSM module which enables it to interact (send or receive information) with another device via the internet and can also send an SMS to a receiver with the help of the GSM module. With this device, the safety of electrical installations is guaranteed, because the password of the circuit breaker installed on the power supply of the building is given to the inhabitants, who can control it physically by using the keypad or can control it remotely using the internet. The IoT-GSM module sends a text message to the phone numbers programmed into the microcontroller anytime the circuit breaker trips off.

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