Automated Navigation Robot with Gas (MQ-2), Temperature & Humidity (DHT11) Sensors

Hello everyone! The purpose of this project was to make a robot capable of navigating around obstacles in a room using the ultrasonic module HC-SR04 mounted on a Servo, this allowed the robot to look around to determine the best route to follow once an obstacle had been encountered. This has been done 100’s of times so i wanted to mix it up a bit, to do this i wanted to include some additional sensors in combination with a Bluetooth module, this allows the robot to gather environmental condition data then relay it back to an Android Application, from the Android Application you can also change the state of the robot from Navigation mode to idle where the robot will remain stationary but will still transmit sensor data.”