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.