pic door lock url

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PIC Microcontroller Based Electronic Lock

   url ..... http://microcontrollerprojects00.blogspot.com/2012/03/pic-microcontroller-based-electronic.html

433 MHz RF module with Arduino Tutorial 1

url..... http://arduinobasics.blogspot.com/2014/06/433-mhz-rf-module-with-arduino-tutorial.html