Circuit Documentation
Summary of the Circuit
The circuit in question is designed around an Arduino UNO microcontroller, which serves as the central processing unit for various sensors. The sensors included in the circuit are an MQ6 gas sensor, a water level sensor, a rain sensor, and a flame sensor. These sensors are powered by the Arduino UNO's 5V output and are grounded through the Arduino's GND pin. The sensors are interfaced with the Arduino through analog and digital pins to monitor environmental conditions such as gas presence, water level, rainfall, and fire presence.
Component List
Arduino UNO
- Description: A microcontroller board based on the ATmega328P.
- Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0-A5, SCL, SDA, AREF, D0-D13.
- Purpose: Acts as the central processing unit for the circuit, reading sensor data and executing embedded code.
MQ6 Gas Sensor
- Description: A gas sensor used for detecting LPG, butane, propane, methane, alcohol, hydrogen, and smoke.
- Pins: VCC, GND, A0, DO.
- Purpose: To detect the presence of various gases in the environment.
Water Level Sensor
- Description: A sensor for detecting the level of water.
- Pins: SIG, VCC, GND.
- Purpose: To monitor the level of water in a given environment.
Rain Sensor
- Description: A sensor used to detect rainwater.
- Pins: AO, DO, GRD, VCC.
- Purpose: To detect rainfall and provide either analog or digital output.
Flame Sensor
- Description: A sensor used to detect fire or other sources of a flame.
- Pins: VCC, GND, D0, A0.
- Purpose: To detect the presence of a flame or fire in the environment.
Wiring Details
Arduino UNO
- 5V connected to VCC of MQ6, Water Level Sensor, Rain Sensor, and Flame Sensor.
- GND connected to GND of MQ6, Water Level Sensor, Rain Sensor, and Flame Sensor.
- A0 connected to A0 of MQ6.
- A1 connected to A0 of Flame Sensor.
- D3 connected to SIG of Water Level Sensor.
- D4 connected to DO of Rain Sensor.
MQ6 Gas Sensor
- VCC connected to 5V of Arduino UNO.
- GND connected to GND of Arduino UNO.
- A0 connected to A0 of Arduino UNO.
Water Level Sensor
- SIG connected to D3 of Arduino UNO.
- VCC connected to 5V of Arduino UNO.
- GND connected to GND of Arduino UNO.
Rain Sensor
- DO connected to D4 of Arduino UNO.
- VCC connected to 5V of Arduino UNO.
- GRD connected to GND of Arduino UNO.
Flame Sensor
- A0 connected to A1 of Arduino UNO.
- VCC connected to 5V of Arduino UNO.
- GND connected to GND of Arduino UNO.
Documented Code
Arduino UNO Code (sketch.ino)
void setup() {
// put your setup code here, to run once:
}
void loop() {
// put your main code here, to run repeatedly:
}
Note: The provided code is a template and does not contain any functional code to interact with the sensors. It needs to be populated with initialization code in the setup() function and sensor reading and logic code in the loop() function.