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Research Article Open Access
There is a need for security to be provided for the automobiles due to the alarming rate of theft action across the globe. A system that reduce or even eliminate the menace on automobiles need to be developed. The design of automobile immobilizer using mobile phone is efficient in transmitting signal through the mobile phone that has both F (fast) and M (meter) buses network configurations to various destinations of users where communication network is available across the globe. The work was achieved with the aid of a specially designed microcontroller (PIC18F2550) that communicates directly with the mobile phone and some components like Schmitt Inverting Gate (74HC14N), Regulator LM7805 and LM317, NPN Transistor BC337, 12 Volt DC Relays and Liquid crystal display panel (LCD). It imbibed the operation of Short Message Service (SMS) and Communication is being established through a 15characters code (xxxxxxxxxxxxxxx) which is secretive and privately used by the owner to enables and disables such automobile.