ROBOT PENDETEKSI GAS CARBON MONOXSIDE (CO) DENGAN SENSOR MQ-7 MENGGUNAKAN ANDROID SEBAGAI MEDIA INFORMASI

ABSTRAK ROBOT OF CARBON MONOXSIDE (CO) GAS DETECTOR WITH SENSOR MQ-7 USING ANDROID AS INFORMATION MEDIA ROHMANIYYAH Various kind, of technology have been made in environment monitoring system in order to avoid a man of poisoning harmful gases eg Carbon Monoxside (CO) gas, this gas when inhaled by human in excess can lead to death. In making this tool, robot Carbon Monoxide (CO) gas detector function to avoid negative effect for human. The tool uses MQ-7 sensors mounted on a static node that serves to measure gas levels Carbon Monoxside (CO), after static node get measurement the results of gases, the data will be transmitted from the Tx XBee Static Node to Rx XBee robot, which then will be sent to Bluetooth HC-06. In the final process, the data is communicated to android (smartphones) using serial communication. The process of sending the current data used by the Tx XBee constant value of ± 86 mA, while the value of Rx XBee current at a distance of 1 meter to 60 meters start from 22,86 mA and will be decreased until 11.12 mA due to this is the strength of the received Rx signal is getting weaker and the current will also decreased. The range Bluetooth HC-06 to smartphone will only be able to transmit data at maximum distance of 17 meters without obstacles and maximum of 5 meters with obstacles. Keywords: Monitoring CO gas, MQ-7, XBee-Pro, Bluetooth HC-06, Androi