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Wifi connection in ESP8266? Answered

I have esp8266 12E wemos board. I upload sketch for add a wifi network.

Serial monitor output :-

ets Jan 8 2013,rst cause:2, boot mode:(3,7)

load 0x4010f000, len 1384, room 16

tail 8

chksum 0x2d

csum 0x2d



Wait for WiFi...

Exception (3):

epc1=0x401003e9 epc2=0x00000000 epc3=0x00000000 excvaddr=0x40067d81 depc=0x00000000

ctx: cont

sp: 3ffef140 end: 3ffef530 offset: 01a0


3ffef2e0: feefeffe feefeffe feefeffe feefeffe

3ffef2f0: feefeffe feefeffe feefeffe 3ffef3f0

3ffef300: 00000484 00000484 000003fd 401004f4

3ffef310: 00000000 00001000 000003fd 40106ff8

3ffef320: 40004b31 3ffef350 0000001c 4021b0cd

3ffef330: 40105666 4021b1b5 3fff0334 000003ff

3ffef340: 000003fd 3ffef3f0 3fff0334 000003fd

3ffef350: ffffff00 55aa55aa 0000000a 0000001c

3ffef360: 0000001c 000000eb 000000e9 000003ff

3ffef370: 4021b5a4 3fff0334 3fff0334 000000ff

3ffef380: 00000001 3ffef410 4021b72b 00000008

3ffef390: 3fff0334 000000ff 3ffef3f0 00000000

3ffef3a0: 3fff03f4 3ffef451 00000001 4021b7b8

3ffef3b0: 3ffef3f0 3fff0334 fffffffe 3ffee500

3ffef3c0: 3ffef410 3fff666c 3fff0334 fffffffe

3ffef3d0: 4021b7f4 00000000 00000000 feefeffe

3ffef3e0: 40202614 feefeffe feefeffe feefeffe

3ffef3f0: feefef00 feefeffe feefeffe feefeffe

3ffef400: feefeffe feefeffe feefeffe feefeffe

3ffef410: feefef00 feefeffe feefeffe feefeffe

3ffef420: feefeffe feefeffe feefeffe feefeffe

3ffef430: 4021ae1a 3ffef570 3ffee41c 3fffdad0

3ffef440: 4021bc6f feefeffe feefeffe feefeffe

3ffef450: 3ffefe7c 4020267c feefeffe feefeffe

3ffef460: feefeffe 3ffee41c 00000000 40202193

3ffef470: 00000000 00000001 3ffee410 401004d8

3ffef480: 0000001c 00000000 3ffef570 40202ec8

3ffef490: feefeffe feefeffe 3fff02f4 40202277

3ffef4a0: 3ffef4d0 00000010 3ffe8450 40203a3c

3ffef4b0: 40105244 00016328 3ffee458 3ffee500

3ffef4c0: 3fffdad0 3ffee410 3ffef570 402033b9

3ffef4d0: 3ffe8440 3fff0314 40202fa4 3ffee510

3ffef4e0: 3fffdad0 3ffee410 3ffef570 3ffee500

3ffef4f0: 3fffdad0 3ffee410 3ffef570 40201ca4

3ffef500: feefeffe feefeffe feefeffe feefeffe

3ffef510: feefeffe 00000000 3ffee4f8 40202fe8

3ffef520: feefeffe feefeffe 3ffee510 40100718


and COM led on ESP8266 continuous blinking

1 Replies

bekathwia (author)2017-10-06

Hm, I'm not sure, could you link us to the code example you're using? The only thing that comes to mind is that your network name or password could be incorrect...

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