MICROCONTROLLER ATMEGA8535L BASED HOUSE ALARM DESIGN

• Main Author: NUGRAHA (NIM : 132031260; Pembimbing : Dr. Ir. Arry Akhmad Arman MT, ADHITYA
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/14631
• Institution: Institut Teknologi Bandung

House alarm is a device that detects intrusion and gives warning to its user that the house has been breached by intruders. House alarms are available in various features and price. Simple alarms are available at the price range of ten thousand rupiahs or more, while the more sophisticated one can be sold at couple of millions rupiahs. The goal in in this final project is to design a house alarm with apropriate functions, proramming flexibility, and can be realized at a low cost. The designed alarm is based on AVR ATMEGA8535L microcontroler and using magnetic sensors that can be mounted on house access’ such as gates, door or windows. The sensors are connected into 16 different pins on PORT a and PORT <br /> <br /> <br /> C of the microcontroller using wires. Besides having its normal function as an intrusion alarm, the designed device can also function as an automatic door bell. These function can be accessed by turning the switch connected into pin D 7 of the microcontroller. The house alarm is designed to give warning when it is detecting an intrusion or a guest by turning LED’s lights, sounding the buzzer and showing the breached area on LCD. The warning type differs as the mode selected. The alarm’s source code are written in BASIC language for AVR microcontrollers, compiled using BASCOM AVR software and written into the microcontroller using USBasp, a hardware designed by Fisch und Fischl GmbH. The designed alarm’s functionality has been tested and functioning correctly as designed.