Should esp8266 be flashed with USB TTL cable and external power supply and not with Arduino ?

[jyotirajsharma]

Please fill the info fields, it helps to get you faster support ;)

if you have a stack dump decode it:
https://github.com/esp8266/Arduino/blob/master/doc/Troubleshooting/stack_dump.md

for better debug messages:
https://github.com/esp8266/Arduino/blob/master/doc/Troubleshooting/debugging.md

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Basic Infos

Hardware

Hardware: ?ESP-12?
Core Version: ?2.1.0-rc2?

Description

Problem description

Settings in IDE

Module: ?Generic ESP8266 Module?
Flash Size: ?4MB/1MB?
CPU Frequency: ?80Mhz?
Flash Mode: ?qio?
Flash Frequency: ?40Mhz?
Upload Using: ?OTA / SERIAL?
Reset Method: ?ck / nodemcu?

Sketch

#include <Arduino.h>

void setup() {

}

void loop() {

}

Debug Messages

messages here

[vicnevicne]

You asked similar questions in issues #2801 #2772 and #1471 . That doesn't help developers and won't help you in the end.
May I kindly suggest you to ask this question on the esp8266.com community forums instead, in the "ESP8266 Arduino" section.

[jyotirajsharma]

OK..sure.