Smart Work Vest
If an alert is to be issued, it is first done by LED and/or Buzzer, then the main control Server page is also updated.
Detection
Each Sensor embedded on this vest will take reading and immidately syncs the data with the server.
Alert System
If an alert is to be issued, it is first done by LED and/or Buzzer, then the main control Server page is also updated.
Alert System
Nearby Miners are intimidated of the situation and its details so that the response can be Swift and Appropriate.
Rescue and Help
Nearby Miners are intimidated of the situation and its details so that the response can be Swift and Appropriate.
First we checked all the sensors are working perfectly or not. We started with the gas sensors mQ4 and mq7. At first we adjusted its sensitivity using the potentiometer then we calibrated the heartbeat sensor....
To provide a constant voltage we used 7805IC .
For code part we used esp32board;
MQ-4 Methane Gas Sensor
![](/storage/ProjectSection/Projects/29223/smart-shirt-for-coal-miners/detailed-description/MQ4.jpg)
Carbon Monoxide Gas Sensor MQ-7
![](/storage/ProjectSection/Projects/29223/smart-shirt-for-coal-miners/detailed-description/MQ-7.jpg)
ESP32-DevKitM-1
![](/storage/ProjectSection/Projects/29223/smart-shirt-for-coal-miners/detailed-description/ESP32.png)
Pulse Sensor Amped
![](/storage/ProjectSection/Projects/29223/smart-shirt-for-coal-miners/detailed-description/Pulse sensor.webp)
![](/storage/ProjectSection/Projects/29223/smart-shirt-for-coal-miners/detailed-description/project 1.jpeg)
![](/storage/ProjectSection/Projects/29223/smart-shirt-for-coal-miners/detailed-description/project 2.jpeg)