In today's interconnected world, Wi-Fi plays a crucial role in our daily lives. In this post, we will explore how to create a Wi-Fi scanner using a D1 Mini board and an OLED display. This project allows you to scan for available Wi-Fi networks and display essential information on the OLED screen.

Components


  • Esp8266
  • OLED Display SSD1306
  • BreadBoard
  • Jumber Wires

    • Circuit Connection


  • Connect the GND pin of the OLED display to the GND pin on the D1 Mini.
  • Connect the VCC pin of the OLED display to the 3.3V pin on the D1 Mini.
  • Connect the SDA pin of the OLED display to the D2 pin on the D1 Mini.
  • Connect the SCL pin of the OLED display to the D1 pin on the D1 Mini.

    • Refer to the circuit diagram for proper wiring.



    Programing the ESP8266 or D1 Mini


    To upload code to ESP8266/D1 Mini, use an ESP8266 flasher. The flasher and program files are available in our GitHub repository. Download the file, extract it.

    Download File

  • open the ESP8266 flasher.



  • Choose the downloaded bin file (WiFi scanner.bin) in the config option. Connect your ESP8266 module, select the COM port, and click the flash button.



  • If nothing is shown on the display, just press the reset button on your D1 Mini board it will restart your esp8266.

    • Conclusion


    By following this guide, you have successfully created a Wi-Fi scanner using the D1 Mini board and an OLED display. The project allows you to scan for Wi-Fi networks and display their information conveniently. You can further enhance this project by adding additional functionalities such as sorting the networks by signal strength or implementing a user interface for network selection. Remember to refer to the full code and circuit diagram for a complete implementation. This Wi-Fi scanner project serves as an excellent learning opportunity to understand the basics of wireless networks, microcontroller programming, and working with displays.


    Happy hacking!



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    Scanner Monitoring ESP8266 Hacking