Daftar Isi:
  • This report explains about Interface keypad 3 x 4 as input ID to control the portal parking with Microcontroller AT89S52 equipped with solar cell with BASCOM as the programmer language. Open and close system of portal parking receives input data vehicles parked that enter in the area in accordance with the existing database. If the input is entered matched with a database that was available, then the portal will open and closed again after the vehicle entry. But if the data unsuitable or not in accordance with the database that was available, then the parking portal will not open. Open and close system of the parking portal has a servo motor in each door. Motor will move appropriate the microcontroller. Ever movement of portal are programmed in microcontroller via BASCOM software and then will be filled in mirokontroler by ISP downloader. The output circuit is connected to the microcontroller and motor servo then it can move up and down (open and closed). In addition to the LCD output also serves to show the suitability of the data that was input. Kata Kunci : Keypad 3 x 4, AT89S52, dan LCD