Wifi connection in ESP8266?

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

bekathwia13 days ago

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...