The token number is entered through android enabled mobile phone which sends same data to microcontroller using built in bluetooth module. We are using terminal app in android phone to send the serial data. This app also provides feature of voice announcement of token number. Token issue systems are ideal for banks, airports, public dealing offices, hospitals, doctor’s clinics, restaurants and other such places where people have to wait in queue for their turn. The device serves the purpose of improving the queue management.
ESP32 Module Based 2.3 inch 4 digit Wireless Token Number Display using Bluetooth Communication is implemented. It can also be used in real time application for queue management like vaccination centers, restaurants etc. Token Number Display is controlled through smart phone App. This app is also having voice announcement feature.
Software :
• ARDUINO IDE
• EMBDDED CPP CODE
Hardware :
- ESP32 Module
- Regulated Power Supply
- 4-digit Seven Segment Display