Watchdog is an Arduino Uno microcontroller based system which was developed by me for my Microcontroller System Design lab.It can detect the leakage of methane gas from stove and raise an alarm.Also it can send a notification to your android phone through bluetooth which is paired and connected always.
The hardare modules and software used in this project development are listing below:
Hardwares:
1. Arduino Uno
2. MQ-4 Sensor
3. Bluetooth HC-06
4. Buzzer
5. pnp transistor
6. LCD display
7. Resistors,wires and breadboard
Softwares:
1. Arduino IDE
2. Fritzing
3. Android Studio