Arduino code for cat door

Rogier Landman 2011, Instructables

  • RF reader and antenna rfid3.pde
  • Two solenoids/electronic locks two_solenoids.pde
  • Hall-effect sensor hall_effect.pde
  • IR proximity sensor IR_test_analog.pde
  • Final code cat_door_final.pde
  • Code uses NewSoftSerial.h! Get it here


  • Two RF readers instead of one RF reader and an IR sensor (untested) cat_door_two_rfreaders.pde
  • Code for my previous instructable (RFID pet feeder) can be found over here