Nowadays, there is a wide variety of popular wireless communications. The following Xiao Bian receives the firmware upgrade of the most commonly used wireless communication module WIFI module ESP8266.
ESP8266 module is often just bought, the firmware in the module has long been old. The firmware upgrade of the module can obtain a series of bugs in the new firmware package, which is more powerful and more stable.
ESP8266WIFI module firmware upgrade1, USB to serial module to connect ESP8266 module
2, the module through the USB to serial port module to connect the computer
Find the serial port number
3, open the download software to upgrade
4, select the "configuration" option, the mouse click on the second column "INTERNAL : FLASH" behind the pinion
5, add firmware
6, the left side in the small square, only select the second, the default address is 0x00000
7. Switch to "Operation" and click on "One-Click Download" to disconnect the ESP8266 module and then supply power. Similar to the cold start of the STC51 microcontroller.
8. A two-dimensional code and a MAC address code appear, indicating that the firmware is being updated. It takes a while to update the firmware.
9, after the firmware is downloaded, there will be a green icon in the lower left corner of the software
10, connect the serial debugging tool to verify the firmware is successfully upgraded
Select baud rate
After opening the serial port
Send "AT" command and return "OK" successfully
update completed
1. When the firmware is downloaded, the boot mode of the ESP8266 module needs to select the update mode
2, send orders with "carriage return, line feed"
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