Cell phone based circuit breaker

Description

A cellphone-based circuit breaker is an electronic safety system that can be controlled from anywhere in the world just by using a cell phone, It uses a 4 digit secured code for identification. The person who wants to close or break the circuit calls at the mobile attached to the system. After this, the authorized user types the 4 digits secured code. 

The design of cell phone-based circuit breaker functions as a unique password must be entered through the keypad of the cell phone to activate/deactivate the circuit breaker. This code is checked by the microcontroller. If the code is correct then the circuit opens or closes.

Each key of the password is identified with a frequency which is decoded to digital code through DTMF (digital tone multi-frequency) decoder and that code is fed to a microcontroller which is programmed to recognize the code for operating the circuit breaker duly interfaced through driver IC for the load. The Cell phone-based circuit breaker system can be used to close/break the circuit according to maintenance requirements in industrial heavy voltage circuits.

• It is an electronic safety system
• Use 4 digit secured code for identification.
• This code is checked by the microcontroller.
• It is a unique password that must be entered through the keypad of the cell phone to activate/deactivate the circuit breaker.