Temp And Pressure Monitoring using Raspberry Pi
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This IOT based temperature and pressure monitoring system is developed using power full development platform raspberry pi board this system uses temperature and pressure (humidity) sensors. Pressure and temperature are two basic parameters to build any temperature and to measure environmental condition. we have previously built a mini temperature and pressure monitoring using Arduino and this time we are extending with raspberry pi. This microcontroller-based project aim to show the current pressure and temperature on the LCD display as well as internet using raspberry pi which makes the raspberry pi to make the install on this other side. This temperature and pressure can be monitor anywhere world over the internet. It will not only show the current data but can also show the previous value in the form of graph.
The block Diagram of Microcontroller Based Temperature and pressure monitoring with wireless display contains following elements:
At Transmitter Section:
- Pressure Sensor Module
- Temperature and Humidity Sensor Module
- Flame Module
- ESP32 Node MCU
- Buzzer Module
At Receiver Section:
1.Raspberry Pi 3B
3. Mobile application
The main purpose of this project is to monitor certain environmental condition of a place which cannot be accessed everything or where we cannot go every time. So, this project is divided into two different section, transmitter and receiver. Transmitter section will be installed at the place whose environmental condition we want to monitor and receiver section will be at the place from where we want to monitor. Transmitter section contains a barometric pressure module BMP180 and a temperature and humidity sensor module DHT11. These two will sense the air pressure, temperature and humidity in the nearby environment and will generate output at its output pin. These outputs are taken by micro controller NodeMCU ESP32 and sent to the raspberry Pi 3B microcontroller connected at receiver end through Wi-Fi hotspot. Also, there is a flame sensor connected at the transmitter side. It senses if there is any flame involved in nearby are and sends input to the NodeMCU ESP32. This flame can occur due to any light or fire spark but both can be dangerous for few secured places. This flame status is also sent to the raspberry Pi 3B at receiver section. The raspberry Pi 3B sends command to the 16X4 LCD to display these data and it also send these data to the mobile application through Wi-Fi hotspot. Now when the pressure, humidity or temperature sensed is above the limits decided, the NodeMCU ESP32 sends input to the buzzer module to sound the siren for alert indication. Same goes when the flame sensor senses positive data. The NodeMCU ESP32 commands the buzzer module to sound the siren.
The target of the project is to implement the project in industries,
Schools, colleges, home. This project is used for displaying the temperature, pressure and humidity.
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Note: We are Providing Printed Circuit Board and general-purpose PCB Based on Customer Requirements.