Construction of GSM based home security alert system using passive infrared sensor

Security challenges in Nigeria specifically and the world everywhere have become best difficulties of man ongoing occasions, because rising paces wrongdoings like robberies, theft, seizing, executing furnished burglary. The point this undertaking was to develop a GSM based home security alert system, that will be fit for identifying an interloper, send ready message mortgage holder, initiate bell caution. framework has been effectively built utilizing uninvolved infrared (PIR ) sensor. Arduino microcontroller utilized interface between PIR sensor (input) GSM/buzzer (yield) gadgets. proposed recognize nearness human convert identified sign into electrical voltage signal. arduino uno process flag directions module buzzer, at same time. developed gadget tried by enabling move before sent instant there is intruder, while ringer sounded simultaneously, affirming its usefulness.