Hi Wajid,You need IR sensors | Microcontroller › 8051 › when car exit the sensor sense then i want to sms mobile phone › Hi Wajid,You need IR sensors July 14, 2012 at 1:53 pm #8253 AmrithParticipant Hi Wajid, You need IR sensors to detect the incoming and out going cars. To store data of car no. & driver details you need to interface flash memory or EEPROM to the controller. Post your further quries.
