PENERAPAN SENSOR ULTRASONIC PADA ROBOT PENDETEKSI GAS KARBON MONOKSIDA (CO) BERBASIS MIKROKONTROLER ATMEGA 16

APPLICATION OF ULTRASONIC SENSORS ON THE ROBOT GAS CARBON MONOXSIDE (CO) DETECTOR MICROCONTROLLER BASED ATMEGA 16 IKE OKTARINI The technology world has progressed very rapidly, especially in the field of robotics. In it development ultrasonic sensors are the sensors that must exist in the current robot, to the robot can move and not hit a wall or obstacle, it needs in front of the placed robot ultrasonic sensors. Gas detection robot aims to detect the presence of carbon monoxide contents of harmful gases by means of spatial-room search, the robot moves that the application of a DC motor and a microcontroller Atmega 16 as a controller, as well as an information medium Smartphone via Bluetooth. Ultrasonic sensors is a sensor that can detect the presence of a barrier that are around and have a good navigation systems for robots. The range of ultrasonic distance sensor is between 3 cm - 3 m with an output pulse length that is proportional to the object. Each ultrasonic sensors detect the distance of 3 cm of the object with the speed of light intensity sensor 34x103 cm / ms, then its travel time of 0.00008 ms. The farther the distance from the sensor to the barrier reflection it will be the longer travel time of the ultrasonic waves and on the oscilloscope display greater the pulse width will also be wider. Keyword : Ultrasonic Sensors, Microcontroller, Robot, Bluetooth, Smartphon