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ESP8266 Firmware flash using Arduino

ESP8266 Firmware flash with Arduino

The ESP8266 WiFi module firmware can be updated with the Arduino IDE and Board.

Things Required

  • ESP8266
  • Arduino
  • Arduino IDE
  • Jumber pins
  • Firmware flashing tool
  • Latest Firmware

Connection between ESP8266 and Arduino


ESP8266
Arduino
VCC
3V
GND
GND
RX
RX
TX
TX
CH_PD
3V
GPIO1
GND

Prerequisites 

Step 1: Download the AT25-SDK112 firmware which will be supported with the WiFiEsp Arduino library

Step 2: Download the Firmware update tool

Step 3: Before connecting the ESP8266 with Arduino clear the Arduino by uploading the below empty sketch. It remove the previously installed sketch from Arduino.

void setup(){
} 
void loop(){ 
} 
Step 4: Connect the ESP8266 and Arduino pins as mentioned in the above table.
Step 4: Connect the Arduino with PC and find the connected COM port 
Step 5: Close the Arduino IDE if it is open

Firmware Installation


Step 1: Run the firmware update tool



Step 2: Enter the COM port number and select the downloaded firmware by clicking Bin button

Step 3: Click the Download button and wait for completing the flash process. 




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