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ESP8266 NodeMCU – Flash Firmware

For beginner to recommend use the NodeMCU Flasher.

 

FAQ

  • What is NodeMCU Flasher tool?
  • How Download the NodeMCU Flasher tool?
  • Which platform PC’s devices supports NodeMCU Flasher tool?
    • Windows
  • Can i update firmware using NodeMCU Flasher tool into any kind of ESP8266 Module
    • Yes you can do.
  • Why firmware not update in ESP8266?
    • Make sure you enabled GPIO-0 Should be Low
  • Which firmware is best to upload to ESP8266 (Float/integer)?
    • Always commanded to flash the  float type firmware because for float type calculation and also precision process works well with float firmware

 


NodeMCU Flasher Programmer

  • NodeMCU Flasher tool is flashing the NodeMCU Firmware to ESP8266 Easily.
  • This tool is developed by NodeMCU.

 

Flash Custom NodeMCU Firmware into ESP8266 using NodeMCU Flasher Tool

  • Build your custom firmware and upload using below steps

 

Required

  • ESP8266 (Any module)
  • USB to UART Programmer or Ardunio Uno Board
  • NodeMCU Flasher Progarmmer
  • Some wire(May require)
  • NodeMCU Firmware (.bin file)

 

Connection Diagram

 

ESP-07 with FDTI Programmer

 

ESP-01 Module with CP2102 FTDI Programmer

 

ESP-01 Module with Arduino Uno board as Programmer

ESP-07 Module with FDTI Programmer

 

ESP-12 Module with FDTI Programmer

NodeMCU Dev Kit

 

 

Follow Steps

  • Step 1 : Go-to  NodeMCU Flasher  Programmer tool folder and open ESP8266Flasher.exe

  • Step 2 : Click the Gear Icon Upload the NodeMCU Custom firmware into NodeMCU Flasher Tool in config tab (Note : Don’t set any offset memory address in config tab, Leave default value 0x00000)

 

Gear Icon

 

NodeMCU Custom Firmware

Uploaded file in path with green background, Set offset as 0x00000

 

  • Step 3 : Make sure correct COM pot of ESP8266 USB port detected.

For My case COM is 7 When i was use one ESP8266 Module, It May be Change when using Different ESP8266and Different USB PORTs

 

  • Step 4 : Click flash button to flash the  firmware into ESP8266

 

  • Step 5 : Wait a moment when finish the firmware flash (Green Tick will can see, if the process success)

 

Green Right tick Symbol

 


NodeMCU Flasher Programmer Note :

  • Tips: You could use some special path to do something interesting.
    • The blank.bin file:  INTERNAL://BLANK
    • The esp_init_data_default.bin file(for 26MHz crystal):  INTERNAL://DEFAULT

 


NodeMCU Flasher Programmer Troubleshoot Guide

  • When the path have some error(e.g. file not exist), the line will become red. (Green shows when correct path file present )

  • What is the meaning of Red symbol when flashe fineshed

This red mark only present when the flash not finished. Check the correct COM port and make sure GPIO-0 Should be Low mode

 

 

 


 

 

ESP8266 – How to build and flash firmware to ESP8266?

ESP8266 Build and flash the firmware is very easy job. before that you need to choose the correct esp8266 platform (Arduino Core, AT Command, NodeMCU, Mangoes OS, Micro-python) for your requirement. At first you should know, what is esp8266 firmware? esp8266 Firmware contains a collection of library files or binary files. Why need to flash Firmware into esp8266? like when we think, we can’t able to write all code our self. so we will follow some open source. if you use open source you need to flash the selected open source library file into esp8266 before start your application.

if you select AT commands, NodeMCU, Mongoose, and ESPressif methods you need flash the firmware before. In Arduino method  you don’t need to flash the firmware first. when upload the arduino compiler build the firmware with our application code as bin file. Flashing the firmware to esp8266 is very easy and simple.

Previous section we discussed about what is ESP8266?, What are the different kind of esp8266 boards available in the market? what are the different way to program the esp8266?  and different type of programmers available for ESP8266?  if you not read that please see here :

Read more… →

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