ESP8266 IoT: ESP8266 Tutorials - How to know NodeMCU firmware Module info?

First Watch Video Demonstration

If you have a more number of custom NodeMCU firmware, but firmware name does not contains the details of info about what are the NodeMCU module libraries are present. if ESPlorer work fine means ESP8266 returns the firmware details, some times ESPlorer IDE does not auto detect the firmware details. so you should note that your custom NodeMCU firmware details yourself. In this post will help to firmware details list easily by using small code.

Can't auto detect firmware, because proper answer not got!

Two way to know NodeMCU Firmware Details.

Auto Detect NodeMCU Firmware info in ESPlorer IDE (DO software restart ESP8266 in ESPlorer IDE)

Use small piece of code to know the NodeMCU firmware details

Required

ESPlorer IDE
ESP8266 Module
USB to TTL/Serial Programmer

Basic Diagram

Lua Code

View on GitHub

-- this program will help if ESPlorer is shows
--'Can't autodetect firmware, because proper answer
-- not received (may be unknown firmware).
--Please, reset module or continue.'

-- http://esp8266iot.blogspot.in/
-- http://aruneworld.blogspot.com/
-----------------------------------------------------------
-- functions {require,pairs}
-- lightfunction{print,dofile,loadfile,collectgarbage,pcall,select}
--table {package}
--romtable {string,math,table,coroutine,debug}
--Please update all modules name in below two tables- > Module_Names , Modules

Module_Names ={    'adc','adxl345','am2320','apa102','bit','bme280','bmp085','cjsom','coap','collectgarbage','coroutine','cron','crypto','debug','dht','dofile','encoder','enduser_setup',
                'file','gdbstub','gpio','hmc5883l','http','hx711','i2c','loadfile','l3g4200d','math','mdns','mqtt','net','node','ow','package','pairs','pcall','pcm','pref','print', 'pwm',
                'rc','require','rfswitch','rotary','rtcfifo','rtcmem','rtctime','select','sigma_delta','sntp','somfy','spi','string','struct','switec',
                'table','tls','tm1829','tmr','tsl2561', 'u8g','uart','ucg','websocket', 'wifi', 'wps', 'ws2801', 'ws2812'}

Modules = {        adc, adxl345, am2320, apa102,bit, bme280, bmp085, cjson, coap,collectgarbage, coroutine, cron, crypto, debug,dht,dofile, encoder, enduser_setup, file, gdbstub,gpio,
                hmc5883l, http, hx711, i2c,loadfile, l3g4200d, math,mdns, mqtt, net, node, ow,package,pairs,pcall,pcm, pref, print, pwm, rc, require,rfswitch, rotary, rtcfifo, rtcmem, rtctime,
                select,sigma_delta, sntp, somfy, spi,string, struct, switec, table,tls, tm1829, tmr, tsl2561, u8g, uart, ucg, websocket, wifi, wps, ws2801, ws2812}

print("total Modules : "..#Module_Names)
--_version
print("Firmware conatains Modlues are ")
total_modules = 0
for count = 1,#Module_Names do
    if nil ~= (Modules[count]) then
        total_modules = total_modules + 1
        print("Modulue- "..count.." : "..Module_Names[count],Modules[count])
    end
end
print("Firmware conatains Total Modlues are : "..total_modules)

Step to follow

Flash old NodeMCU firmware to ESP8266 using Flasher tool
Upload the above NodeMCU Lua code to ESP8266 using ESPlorer IDE.
Run(dofile(AEW_NodeMCU_Info.lua) the file in file list.
Done (you can see the details of NodeMCU firmware details)

Hope this is very useful for you . if you have any Questions about this tutorial ask in command section.

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ESP8266 Tutorials - How to know NodeMCU firmware Module info?