Anubhaw19 / IoT-Mines-Safety-

basic model to detect Methane Gas using (MQ4 sensor),Humidity and Temperature measurement using (DHT11 sensor) and Distance measurement using UltraSonic (HC-SRO4) sensor+ Using NodeMCU(esp8266MOD) as network gateway.

IoT-Mines-Safety-

basic model to monitoring:

• Methane Gas using (MQ4 sensor).
• Humidity and Temperature measurement using (DHT11 sensor).
• Distance measurement using UltraSonic (HC-SRO4) sensor. Using NodeMCU(esp8266MOD) as network gateway.

Components

• Circuit with different sensors connected.
  

Pin Connection:

Humidity and Temperature (DHT11) sensor:

• positive-Vin
• data-D5(Node MCU)
• negative-Ground

UltraSonic (HC-SRO4):

• echo-D6
• trig-D7
• Vcc-Vin(Node MCU)(5V)
• Gnd-Ground(Node MCU)

Methane (MQ4) sensor:

• Data-A0(Node MCU)
• Vcc-Vin(Node MCU)(5V)
• Gnd-Ground(Node MCU)

Data Analysis

• analyzing data from the chart and serial monitor.
  analysing data with the help of ThingSpeak server.