How to use ESP8266/8285 to make a WIFI advertising machine (virtual WiFi)

kami_ding

How to use ESP8266/8285 to make a WIFI advertising machine (virtual WiFi) [Copy link]

Preparation Prepare an ESP-F module from Shenzhen Sibo Zhilian Technology Co., Ltd. or a NODEMCU from Sibo Zhilian Technology When we get the ESP-F module, we can test it according to the following wiring: That is, VCC and EN are connected to 3.3v, GPIO15 GND is grounded, TX and RX of the module are connected to the RX, TX and RST pins of the serial port tool for low level reset, unnecessary IO pins can be left floating, and if you want to download the firmware in the module, please pull GPIO0 low (warm reminder: if you purchased ESP-01S/M/F1/F2, you only need to connect VCC GND RX TX to work normally). If you purchased the ESP-01 module, you only need to connect CH-PD to VCC. The rest can be wired according to the following diagram (the IO ports that do not have them can be left unconnected). The wiring is as follows: 363653 Figure 1.1 Test After completing the wiring in 1.1, please check the circuit in detail to confirm that there is no problem. Please open the serial port debugging assistant and select the corresponding COM port. The configuration mode is baud rate: 115200, data bit: 8 check bit: none stop bit: 1 flow control: none The configuration information is as follows: To confirm that there is no problem, please press the K1 button RST reset button (a low level of about 300m). The printed information is as follows:

displays ready, proving that the startup is normal.

Common tool download link:

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Frequently Asked Questions:

1. The buttons do not respond

(1) Please check whether the module power supply is 3.3V/800ma;

(2) Please check whether TX and RX are connected in the wrong position;

(3) Check whether the port number is correct and whether the port of the serial debugging assistant is closed.

2. The keystrokes are all garbled

(1) Please confirm the module's baud rate with the module manufacturer;

(2) Please check whether the USB to TTL converter that communicates with the module is a compatibility issue. It is recommended to use the USB to TTL converter made of CH340 and CP2102 chips.

(3) Please confirm whether there is a problem with the program in the module.

Configure Arduino document description:

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In void Write the name you want to display in the RickRoll() function

Select the corresponding development board and click Upload

Open the serial port debugging assistant:

The print information is as follows:

Turn on the phone's WIFI and you can see the content you want to display:

Program code:

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