WLED not connecting to home wifi

[Mombonav]

I flashed my nodemcu ESP 8266 with WLED_0.10.0_ESO8266.bin via ESP home flasher. I joined the WLED_AP, and went into the config: wifi set up and entered my SSID and password, and a new mNDS. AP opens is set to No connection after boot. The I hit save and connect. I reset the nodemcu and on my computer I rejoin my home wifi and try to connect to wled via the mNDS in my safari browser however the board doesn't connect to my wifi. I have tried to connect via internet explorer on windows 10 and it still won't join my home wifi. The wled_AP always shows up in my list of available wifis. Client IP always shows Not connected.

I tried unplugging the USB cable from the board and plugging it back in. Previously I had the nodemcu connected to ESPhome via wifi and it worked fine. I tried to connect to my home wifi with the nodemcu next to the router and it still wouldn't connect. I am using an ASUS wireless router RT-AC86U.

The router is dual band. I changed the name of each band and changed the password so that there were no special characters but it didn't resolve the issue. The wifi SSID has a space in the middle if that makes a difference. I placed the board next to the router to rule out signal strength and it still wouldn't connect.

It seems like wled never has the opportunity to join my home wifi, it just keeps defaulting to the wled_AP wifi. This would indicate a SSID or password issue but I keep verifying and re-entering them to no avail.

I have looked over other entries relating to wifi but they haven't helped me solve this issue.

Thank you for your help!

[wilson3682]

Hi Mombonav, I had a similar issue, the problem was when I tried to connect the NodeMCU ESP8266 to my 5G access point, when I changed it to connect to the 2.4G everything worked. I don't know if it's the same with you but I'm sharing my experience is case it helps.

[Aircoookie]

Hi! Sorry for the trouble connecting! Another user has reported that their phone auto inserted a space after the SSID, please make sure that isn't the case for you. You could also try setting a static IP in case the issue is related to DHCP (unlikely however). After resetting the NodeMCU, does it still have the wifi information you entered saved? Just making sure it is not a flash issue :)

[Mombonav]

There is no space and after resetting hte NodeMCU does still have the wifi info. I set a static IP address and it connected fine to my wifi. Not sure why the automatic connection isn't working.

[sansillusion]

Ok, looks like your router dhcp server is having issues. Might be that you reached the limit of devices the DHCP server will assign. Most router are configured for 10 to 100 devices. Depending on router it could be a range setting or could be a limit in clients.

[Wriman]

Hello! I have same problem, i try same things, but no connect...:(

[StefanRu1]

Hi Wriman, did you try with a static IP, matching the subnet of your router and not used by any other device on the network? This should always work as long as the WLAN credentials you inserted are correct.

If this does not help please explain in detail, what you did and how you configured your ESP.

[Mombonav]

So, my LEDs worked for a couple hours, then the pattern froze. When I reset the NodeMCU it would't rejoin my home wifi despite verifying the static IP, gateway, SSID and password. I even swapped in a brand new NodeMCU but it won't join the network either. Back to square one again. I have 24 clients on my network. When it did join my wifi the one time I had 26 clients then. Any further suggestions? Thanks

[StefanRu1]

That sounds strange. Is it possible that you connect your NodeMCU via USB to your PC and open the serial console in Arduino Studio? You should be able to see what is going on and why the NodeMCU can not connect to your Network.

[ellnic]

WiFi issues that seemed to resolve for no logical reason then freezing LEDs wreaks of a faulty board to me. I had some D1 mini clones a while back that displayed similar WiFi symptoms. Are your MCUs from a reliable source? Do they work as expected when used for something else? I had four D1 mini clones that all ended up being useless because of a WiFi problem.

Also, I've just noticed you said you have a space in the middle of your SSID. This is generally considered bad practice, and before you try anything else I would remove that or fire up a 2.4 guest network with a SSID that doesn't have a space to rule that out. Special chars in the SSID shouldn't be an issue, but just to test make the SSID plain like temp-ap and the password 20 chars of numbers and letters. As above, if you must separate words in a SSID name, it's generally accepted that - and _ are used. Whilst it may be tempting to use My Home Network, it's far better to use My-Home-Network. With that said: problems that usually arise from using a SSID with a space would either allow the client to connect (if it doesn't care) or cause an error, in which case you wouldn't have been able to connect at all.

After trying the SSID without a space, I'd flash in another firmware from a completely different project to see if it actually works as expected on a hardware level.

[Mombonav]

Update. I took my board (NodeMCU) to a friend who has an ASUS router (same as me just different model) and the board connected to his network fine. So not a faulty board. I took his D1 mini which was connecting to his network and brought it to my house. It would not connect. I verified that the board wasn't connecting to my router by running a scan on my phone. I tried both the automatic connection and a static IP connection. Either the boards aren't seeing my wifi network or they are unable to join the network. I had previously changed the SSID to remove the space and changed the password all to no avail. Strangely, the board worked when I had ESPHome installed and it did connect once with WLED installed by static IP but only for 3 hours. It just seems like it isn't seeing the network for some reason. Either WLED software or my router settings. I have gone through the settings and nothing is jumping out at me. Extremely frustrating. Any hail Mary suggestions?

[ellnic]

Hrm. Ok, so it's pointing to your router, as you suggest.

A few things you can try (apologies if some of these are very basic, not trying to insult your intelligence):

1. Check your router firmware is up to date

2. Make sure all antenna are properly attached and tight

3. Make sure the antenna are pointing up or to a 45 degree angle [up left or up right]

4. Make sure you're using WPA2 Personal

5. Try channel 1 or 11 on the 2.4 band, don't use auto-hop

6. Place the router away from obstructions and things that will interfere ie. cordless phones and microwaves, large metal objects

7. Final thing: factory reset and setup again.

If these don't help, you may have a firmware issue or physical fault with your router. :-(

I once had an Asus laptop which I was very pleased to get. It was a ROG series and it looked great on paper. It was so riddled with firmware/UEFI issues that I was shocked to have paid the price it cost. I've had £400 Clevo's that ran smoother. The subwoofer and RAM also went faulty in it and Asus support was SHOCKING. They did fix the RAM and woofer under warranty, but it was a chore to get them to do it and they kept saying weird things like constantly referring to a stick of RAM as a "MEMORY CARD"... really strange behaviour. The UEFI bugs were never fixed. I also had to do the trackpad mod to stop it jumping around. In the end, the GPU went :-( A couple of years later I was persuaded to try an Asus router - one of the big beefy ones, I don't remember the model. It was awful. Low signal, constant disconnections etc. It went straight back to Amazon. So I vowed never to get an Asus product again. Point being - my experience with Asus has led me to believe that they have brilliant products on paper, but the product quality isn't there. You may have some kind of gremlin or hardware issue. I wouldn't bother contacting Asus about it though, they'll be useless. They'll say because a "normal computer" or phone can connect, it's not the router. If you even so much as mention NodeMCU their heads will explode.

You may be able to find a 3rd party firmware for that router that should significantly improve it, and probably remove a ton of gremlins on the way. Not sure if you want to go down that route though. Or if you feel like it's time to move on, there are plenty of awesome routers supported by tomato and dd-wrt.

[huggy-d1]

If your router is smart and tries to combine both 2.4 and 5 GHz into a single SSID (for convenience), WLED will not connect, or it might connect some small fraction of the time (not very likely, just technically possible). I found this out when my first WLED install on a D1 Mini refused connection. A little online investigation suggested splitting the bands into unique SSIDs to allow IoT devices to connect. That worked for me.

It might also be your router needs WLED not to enter sleep mode. Some routers tolerate WLED's wifi sleep mode. Other routers drop WLED from the network.

[ellnic]

@huggy-d1 that's not it. See above - first/original post - bands were separated. It's not the sleep setting either. The device doesn't connect at all, it's not that it goes to sleep and disconnects.

[Mombonav]

Thanks to all for your assistance. I finally got the NodeMCU with WLED to connect to wifi. I disabled sleep and set the control channel on the router to 11. I think only changing the channel number mattered but I did them both at the same time. It connected without having to set a static IP.

[ellnic]

Glad you got it sorted. It's most likely the channel that did it, as you say. Channel hopping in routers is one of those features that looks good on paper but rarely causes anything but hassle. You can most likely allow the NodeMCU to sleep again by unchecking disable sleep. Now you have a solid channel on the router, I'd put money on it being able to connect. Happy WLEDing :-)

[ianguerit]

Had the same issue with 0.10.2 (first time using WLED). Switching the channel to be manual, channel 11 on my Asus router fixed it for me (left default settings, just set SSID and passphrase).

Super impressed by the effort that's gone in to WLED 👍

[Mombonav]

Just after I got it working, it stopped working again. After two months I finally got it working again. This time I had to go into my router settings and disable smart connect, set channel to 11; set bandwidth to 20 and most importantly set wireless mode to legacy. Connection was immediate and stable.

[smithjames0]

Hi, I don't want to open another thread as I have the same issue as described above. I have been running 0.10.2 on an ESP8266 for a couple of weeks without an issue, yesterday it would connect to my network but would not get an IP address. Nothing on the network had changed. Today I have setup a 2.4G AP just for WLED on channel 11, but it refuses to connect and just goes into AP mode.

I don't understand how one day it works fine and the next it refuses to cooperate!

My network; Unifi 2 x AP lite's + Outdoor AP (2.4G)

Regards James

[ianguerit]

Check the channel bandwidth. Mine appeared to work for a bit, but then got unreliable. I found I had to set channel bandwidth to 20MHz, leaving it as either 20/40 or just 40 left it unreliable.

I don't think this is related to the WLED software specifically.

In summary, use 2.4GHz, control channel 11 and channel bandwidth 20MHz and you should be golden!

Also found these settings helped some smart plugs that disconnected every so often.

[pepsonEL]

I also have a problem with my WLED 0.10.2. On GUI WLED wifi strange show info about 70-80% but my WLED sometime has delay with reaction on control.

[Aircoookie]

@smithjames0 maybe https://github.com/Aircoookie/WLED/issues/1293#issuecomment-717929824 could help in your case

[cjramseyer]

Make sure that you phone is not changing the case of the first letter of the SSID. I was having issues getting it to connect to a UniFi network. My phnoe calitalized the first letter of the SSID, which in my case is lowercase. Once I corrected this and rebooted via the WLED AP GUI, it connected immediately

[kiki3529-0]

Bonjour Pourriez vous.m aider , je n'arrive pas à me connecter à wled-ap , je ne.trouve pas la solution. Je suis chez BBox La wemos mini d1 est flashé correctement Le réseau wled-ap apparaît bien Maïs impossible de se connecter Pas d'espace Merci de votre aide Mickaël

[madc]

If your router is smart and tries to combine both 2.4 and 5 GHz into a single SSID (for convenience), WLED will not connect, or it might connect some small fraction of the time (not very likely, just technically possible). I found this out when my first WLED install on a D1 Mini refused connection. A little online investigation suggested splitting the bands into unique SSIDs to allow IoT devices to connect. That worked for me.

It might also be your router needs WLED not to enter sleep mode. Some routers tolerate WLED's wifi sleep mode. Other routers drop WLED from the network.

For us this also was an issue with Asus Smart Connect. I can't say, if it runs stable now, but blocking its MAC from using 5GHz made it connect properly.

[ragu1953]

HELP! I usually connect to the ESP32 controller on a digquad board using the IP address but now I can't connect using either on an internet browser or the iphone app. The IP address shows up on the router even when the digquad is not powered on. I am not techy so not sure where to go from here.

[Mombonav]

I recently had this issue occur again to me. This time I was able to get the ESP32 to connect to wifi by not changing the mDNS address in the wifi setting. For that ESP32 as long as I keep the default value it will connect. As soon as I change it, it won't connect. For me, different boards need different solutions to connect it seems.

[asmi242]

Hi! Sorry for the trouble connecting! Another user has reported that their phone auto inserted a space after the SSID, please make sure that isn't the case for you. You could also try setting a static IP in case the issue is related to DHCP (unlikely however). After resetting the NodeMCU, does it still have the wifi information you entered saved? Just making sure it is not a flash issue :)

Thanks for this. I imagine it would have taken me a long time to figure this out without your comment...

[bert269]

I had EXACTLY the same problem with my wifi on an ASUS AX11000 router. I had to reset my router to fact.defaults. Then I had to re-config all my IOT devices. I needed to re-configure the WLED devices and I had a heel of a time. Spend two full days flashing it over ands over. I was afraid I would wipe out the eeprom after so many flashed. Then I see in a previous post that the problem could be the router. I changed the 2.4GHz channel to 11 and boom! - the WLED connect just fine. What gives? Why is this a problem? All the other IOT devices seem to connect just fine all the time - is it the chip that is used on the ESP devices or something in the software?

[bert269]

I spoke too soon. Problem is back with another ESP unit. Cannot connect to wifi. I have tried flashing it over and over, with the WEB interface as well as esptool.py.

HELP!

[dotMortis]

@Aircoookie I think you should open the issue again. Last week I received 3 new esp8266 D1 Mini from AZDelivery. All of them are experiencing the same network problems.

I am using an Asus RT-AX86U router where the 2.4Ghz SSID is separated from the 5Ghz SSID and only channels 1-11 are used. The esp8266 are flashed with the Wled Web Installer, just like all my esp32 that I already have in use (no problems with esp32). At first it took several tries to get the first network connection. After the first connection worked, I was able to configure the esp via the browser. So far so good, until I restarted the esp, after that they connect after about 5-10 min or never again. When I look at the device list on my router I see the esp listed, and as soon as I try to connect to the esp web interface it disappears.

I have tried both the release and beta versions of wled .... all show the same problems with the esp8266.

[msiemers]

Same Issues here. 2 new AZDelivery D1 Mini. No connection to wifi possible. `--------------- CUT HERE FOR EXCEPTION DECODER ---------------

Exception (4): epc1=0x400005cb epc2=0x00000000 epc3=0x00000000 excvaddr=0x40226797 depc=0x00000000

stack>>>

ctx: sys sp: 3fffe2d0 end: 3fffffb0 offset: 0190 3fffe460: 4010614c 40106149 656d7563 643b746e
3fffe470: 400005e1 762e5343 65756c61 6f59223d
3fffe480: 40288834 00000033 00000010 66532e64
3fffe490: 40106152 04000102 00000000 00000001
3fffe4a0: fbf8ffff 04000002 3feffe00 00000100
3fffe4b0: 0000001a 00000018 04000102 40106134
3fffe4c0: 3fffc100 3fff2538 00000000 00000000
3fffe4d0: 2e66532e 762e3149 65756c61 643b303d
3fffe4e0: 2e66532e 762e3147 65756c61 643b303d
3fffe4f0: 2e66532e 762e3153 65756c61 3535323d
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3fffe5c0: 0000001a 00000018 04000102 40106134
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3fffe7b0: 40288834 00000033 00000010 00000000
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3fffe7d0: fbf8ffff 04000002 3feffe00 00000100
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3fffe840: fffffff9 00000000 00000073 00000000
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3ffff070: 3fffc100 3fff2538 00000000 00000000
3ffff080: feefeffe feefeffe feefeffe feefeffe
3ffff090: feefeffe feefeffe feefeffe feefeffe
3ffff0a0: feefeffe feefeffe feefeffe feefeffe
3ffff0b0: feefeffe feefeffe feefeffe feefeffe
3ffff0c0: feefeffe feefeffe feefeffe feefeffe
3ffff0d0: feefeffe feefeffe feefeffe feefeffe
3ffff0e0: feefeffe feefeffe feefeffe feefeffe
3ffff0f0: feefeffe feefeffe feefeffe feefeffe
3ffff100: feefeffe feefeffe feefeffe feefeffe
3ffff110: feefeffe feefeffe feefeffe feefeffe
3ffff120: 4010614c 40106149 feefeffe feefeffe
3ffff130: 400005e1 feefeffe feefeffe feefeffe
3ffff140: 40288834 00000033 00000010 feefeffe
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3ffff160: fbf8ffff 04000002 3feffe00 00000100
3ffff170: 0000001a 00000018 04000102 40106134
3ffff180: 3fffc100 3fff2538 00000000 00000000
3ffff190: feefeffe feefeffe feefeffe feefeffe
3ffff1a0: feefeffe feefeffe feefeffe feefeffe
3ffff1b0: feefeffe feefeffe feefeffe feefeffe
3ffff1c0: feefeffe feefeffe feefeffe feefeffe
3ffff1d0: feefeffe feefeffe feefeffe feefeffe
3ffff1e0: feefeffe feefeffe feefeffe feefeffe
3ffff1f0: feefeffe feefeffe feefeffe feefeffe
3ffff200: feefeffe feefeffe feefeffe feefeffe
3ffff210: feefeffe feefeffe feefeffe feefeffe
3ffff220: feefeffe feefeffe feefeffe feefeffe
3ffff230: 4010614c 40106149 feefeffe feefeffe
3ffff240: 400005e1 feefeffe feefeffe feefeffe
3ffff250: 40288834 00000033 00000010 feefeffe
3ffff260: 40106152 04000102 00000000 00000001
3ffff270: fbf8ffff 04000002 3feffe00 00000100
3ffff280: 0000001a 00000018 04000102 40106134
3ffff290: 3fffc100 3fff2538 00000000 00000000
3ffff2a0: feefeffe feefeffe feefeffe feefeffe
3ffff2b0: feefeffe feefeffe feefeffe feefeffe
3ffff2c0: feefeffe feefeffe feefeffe feefeffe
3ffff2d0: feefeffe feefeffe feefeffe feefeffe
3ffff2e0: feefeffe feefeffe feefeffe feefeffe
3ffff2f0: feefeffe feefeffe feefeffe feefeffe
3ffff300: feefeffe feefeffe feefeffe feefeffe
3ffff310: feefeffe feefeffe feefeffe feefeffe
3ffff320: feefeffe feefeffe feefeffe feefeffe
3ffff330: feefeffe feefeffe feefeffe feefeffe
3ffff340: 4010614c 40106149 feefeffe feefeffe
3ffff350: 400005e1 feefeffe feefeffe feefeffe
3ffff360: 40288834 00000033 00000010 feefeffe
3ffff370: 40106152 04000102 00000000 00000001
3ffff380: fbf8ffff 04000002 3feffe00 00000100
3ffff390: 0000001a 00000018 04000102 40106134
3ffff3a0: 3fffc100 3fff2538 00000000 00000000
3ffff3b0: feefeffe feefeffe feefeffe feefeffe
3ffff3c0: feefeffe feefeffe feefeffe feefeffe
3ffff3d0: feefeffe feefeffe feefeffe feefeffe
3ffff3e0: feefeffe feefeffe feefeffe feefeffe
3ffff3f0: feefeffe feefeffe feefeffe feefeffe
3ffff400: feefeffe feefeffe feefeffe feefeffe
3ffff410: feefeffe feefeffe feefeffe feefeffe
3ffff420: feefeffe feefeffe feefeffe feefeffe
3ffff430: feefeffe feefeffe feefeffe feefeffe
3ffff440: feefeffe feefeffe feefeffe feefeffe
3ffff450: 4010614c 40106149 feefeffe feefeffe
3ffff460: 400005e1 feefeffe feefeffe feefeffe
3ffff470: 40288834 00000033 00000010 feefeffe
3ffff480: 40106152 04000102 00000000 00000001
3ffff490: fbf8ffff 04000002 3feffe00 00000100
3ffff4a0: 0000001a 00000018 04000102 40106134
3ffff4b0: 3fffc100 3fff2538 00000000 00000000
3ffff4c0: feefeffe feefeffe feefeffe feefeffe
3ffff4d0: feefeffe feefeffe feefeffe feefeffe
3ffff4e0: feefeffe feefeffe feefeffe feefeffe
3ffff4f0: feefeffe feefeffe feefeffe feefeffe
3ffff500: feefeffe feefeffe feefeffe feefeffe
3ffff510: feefeffe feefeffe feefeffe feefeffe
3ffff520: feefeffe feefeffe feefeffe feefeffe
3ffff530: feefeffe feefeffe feefeffe feefeffe
3ffff540: feefeffe feefeffe feefeffe feefeffe
3ffff550: feefeffe feefeffe feefeffe feefeffe
3ffff560: 4010614c 40106149 feefeffe feefeffe
3ffff570: 400005e1 feefeffe feefeffe feefeffe
3ffff580: 40288834 00000033 00000010 00000000
3ffff590: 40106152 04000102 00000000 00000001
3ffff5a0: fbf8ffff 04000002 3feffe00 00000100
3ffff5b0: 0000001a 00000018 04000102 40106134
3ffff5c0: 3fffc100 3fff2538 00000000 00000000
3ffff5d0: 401072ac 00000000 3ffff730 4026d59e
3ffff5e0: 40101011 3fff4c54 00302280 003022c0
3ffff5f0: feefeffe 00000001 00302280 4025ff01
3ffff600: 3ffff730 00000001 3ffff730 40263a60
3ffff610: 00000001 000001c8 000001c8 40202318
3ffff620: 3fff4c54 00000040 feefeffe 4026d4d4
3ffff630: 3ffff763 3ffff6d2 3ffff690 00000000
3ffff640: 00000004 3fff439c 00000280 40250b2a
3ffff650: 000001d0 00000005 3ffff730 40201306
3ffff660: 00000001 3fff4404 00002000 000022bf
3ffff670: 4010614c 40106149 00000008 402027ce
3ffff680: 400005e1 402b836f 3ffff730 3ffff790
3ffff690: 40288834 00000033 00000010 4020171f
3ffff6a0: 40106152 04000102 00000000 00000001
3ffff6b0: fbf8ffff 04000002 3feffe00 00000100
3ffff6c0: 0000001a 00000018 04000102 40106134
3ffff6d0: 3fffc100 3fff2538 00000000 00000000
3ffff6e0: 00000004 3fff4404 00000000 00000002
3ffff6f0: 00000001 00000000 78000000 0000000d
3ffff700: ffffffff 00000000 00000004 500ffc34
3ffff710: feefeffe feefeffe feefeffe 3fff439c
3ffff720: 0000000d 002ffc00 3ffffeb9 40201e06
3ffff730: 402027a0 3ffff740 7ffffff1 ffff0208
3ffff740: 3fff439c 3ffffeb9 0000000d feefeffe
3ffff750: 3ffffec6 3ffff790 00000000 3ffff7b0
3ffff760: 3ffff7a8 feefeffe 3ffffec6 00000001
3ffff770: feefeffe feefeffe feefeffe 3fff255c
3ffff780: 4010614c 40106149 3fff439c 4020296b
3ffff790: 400005e1 00000000 00000002 00000280
3ffff7a0: 40288834 00000033 00000010 ffffffff
3ffff7b0: 40106152 04000102 00000000 00000001
3ffff7c0: fbf8ffff 04000002 3feffe00 00000100
3ffff7d0: 0000001a 00000018 04000102 40106134
3ffff7e0: 3fffc100 3fff2538 00000000 00000000
3ffff7f0: feefeffe feefeffe 00000000 3ffffee0
3ffff800: 0000002f 00000000 3fff255c 40267c49
3ffff810: feefeffe feefeffe feefeffe 40224bed
3ffff820: 00000000 00000000 0000001f 40100fc0
3ffff830: feefef00 feefeffe 3fffc228 401066ed
3ffff840: 4000050c feefeffe feefeffe feefeffe
3ffff850: 4000b570 00000030 00000002 ffffffff
3ffff860: 00000000 00000000 00000000 00000000
3ffff870: 00000000 00000000 00000000 00000000
3ffff880: 00000000 00000000 00000000 00000000
3ffff890: 4010614c 40106149 00000000 00000000
3ffff8a0: 400005e1 f02a9ef9 8b75bf79 88da28af
3ffff8b0: 40288834 00000033 00000010 3ecc238c
3ffff8c0: 40106152 04000102 00000000 00000001
3ffff8d0: fbf8ffff 04000002 3feffe00 00000100
3ffff8e0: 0000001a 00000018 04000102 40106134
3ffff8f0: 3fffc100 3fff2538 00000000 00000000
3ffff900: 640c79a6 2154d35b e1fd6de1 5233ac64
3ffff910: d19f1343 844b8c48 60530a84 03fdb551
3ffff920: a505df63 fdaaae6d 15bb0693 3e056db0
3ffff930: 07459abe fa39ec75 c0640a8a e36bd1f4
3ffff940: 3819936e e4695f69 a62d497e 74b0cdf1
3ffff950: 21046e96 3d3ff5a8 7fccd930 b753e406
3ffff960: 4000b62e c8fc801e 4fc7aed8 f4098390
3ffff970: 4000b6c4 3ffff9b0 3ffffb40 ffffffff
3ffff980: 4000b72e 3ffff990 00000008 39d7811c
3ffff990: 00000000 00000000 4000a333 3ffffab8
3ffff9a0: 4010614c 40106149 3fff5f7c ddd61c8e
3ffff9b0: 400005e1 00000000 00000000 00000000
3ffff9c0: 40288834 00000033 00000010 00000000
3ffff9d0: 40106152 04000102 00000000 00000001
3ffff9e0: fbf8ffff 04000002 3feffe00 00000100
3ffff9f0: 0000001a 00000018 04000102 40106134
3ffffa00: 3fffc100 3fff2538 00000000 00000000
3ffffa10: 4000ba18 3ffffa90 00000003 00000020
3ffffa20: 3ffffb40 00000000 00000000 00000000
3ffffa30: 00000000 00000000 00000000 00000000
3ffffa40: 00000000 00000000 00000000 00000000
3ffffa50: afa6e9db a2377b13 5f26aab0 979d2681
3ffffa60: 6a2615b3 30c0173f a8b985b2 05f92057
3ffffa70: 5c5c5c5c 5c5c5c5c 5c5c5c5c 5c5c5c5c
3ffffa80: 5c5c5c5c 5c5c5c5c 5c5c5c5c 5c5c5c5c
3ffffa90: 3ffffa50 3ffffb40 3ffffba0 3ffffb10
3ffffaa0: ddc87aa5 9e7ecf49 ce9457d0 c0b65e3c
3ffffab0: 4010614c 40106149 0000003e 00000001
3ffffac0: 400005e1 5c5c5c5c 5c5c5c5c 5c5c5c5c
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3ffffb30: 00000014 0000003e 00000001 3ffee8ec
3ffffb40: 00000002 00000000 00000020 40100fc0
3ffffb50: 40102fc5 5c5c5c5c 00000002 40102b94
3ffffb60: 3ffea232 40105e2f 3ffed9c8 4027e676
3ffffb70: 00000001 4010500a 3ffee3f8 40100fc0
3ffffb80: 4010547b 3ffffbce 00000005 40102b94
3ffffb90: 3ffea235 40105e47 3ffedc70 40101cca
3ffffba0: 40104f43 00000036 00000002 00040000
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3ffffbc0: 4010614c 40106149 00000000 000000f4
3ffffbd0: 400005e1 00000000 40103dce 00000100
3ffffbe0: 40288834 00000033 00000010 3fffc278
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3ffffc10: 0000001a 00000018 04000102 40106134
3ffffc20: 3fffc100 3fff2538 00000000 00000000
3ffffc30: 00020021 00000000 3fff6f76 3ffed928
3ffffc40: 3fff6884 00000001 3fff3d9c 00000030
3ffffc50: 3ffed9a0 00000000 3fff717a 00000001
3ffffc60: 00000003 00020031 00000003 3fff7134
3ffffc70: 3ffed978 3fff7134 3fff4197 00000030
3ffffc80: 00000005 00000000 00000020 40100fc0
3ffffc90: 00000000 00000000 00000005 40102b94
3ffffca0: 3ffea235 00000000 3ffedc98 000000fa
3ffffcb0: 00000005 00000000 00000020 40100fc0
3ffffcc0: 00000005 00000000 00000020 40100fc0
3ffffcd0: 4010614c 40106149 00000005 40102b94
3ffffce0: 400005e1 40105e47 3ffedcc0 40102b94
3ffffcf0: 40288834 00000033 00000010 40100fc0
3ffffd00: 40106152 04000102 00000000 00000001
3ffffd10: fbf8ffff 04000002 3feffe00 00000100
3ffffd20: 0000001a 00000018 04000102 40106134
3ffffd30: 3fffc100 3fff2538 00000009 00000000
3ffffd40: 4010372b 3ffedcc0 00000020 40100fc0
3ffffd50: 00000000 00000000 0000001f 40100fc0
3ffffd60: 00000000 00000000 0000001f 40100fc0
3ffffd70: 4000050c 40105e2f 3fffc228 401066ed
3ffffd80: 4000050c 00000030 00000003 ffffffff
3ffffd90: 40241ed6 00000030 00000003 ffffffff
3ffffda0: 80002280 00000000 00000020 40100fc0
3ffffdb0: 00000521 ffffffff 00000000 40102b94
3ffffdc0: 00000000 00000000 0000001f 40100fc0
3ffffdd0: 00000001 4010500a 3fffc228 401066ed
3ffffde0: 4010614c 40106149 0000001f 40100fc0
3ffffdf0: 400005e1 00000000 0000001f 40100fc0
3ffffe00: 402668ff 00000030 00000010 401066ed
3ffffe10: 40226797 00000000 00000000 00000001
3ffffe20: 00004bc6 00000000 00000000 fffffffe
3ffffe30: 00000000 3fffc6fc 00000000 00000000
3ffffe40: 00000000 3fff2538 00000000 00000009
3ffffe50: 00000000 00000000 00000000 00000000
3ffffe60: 402387b1 00000030 3ffffea0 402406d0
3ffffe70: 40268a30 00000000 40268a30 00000000
3ffffe80: 3fff2714 00000000 00000001 40241ed9
3ffffe90: ffffffff 3fffc6fc 3ffefc34 402460f7
3ffffea0: 40268a30 ffffffff 3fff3040 00000030
3ffffeb0: 000043fe 000043fe 00ff4500 00000000
3ffffec0: 00000000 4bc6a7f0 33f7ced9 00000000
3ffffed0: 00000000 00000000 4bc6a7f0 00000000
3ffffee0: 00000000 00000000 40101340 00004e9c
3ffffef0: 00000000 3fffff20 3fff4d94 402206a9
3fffff00: 005ae49c 00000000 00000000 40220756
3fffff10: 4028b3d2 3fff3d9c 3ffefb9e 3ffe8719
3fffff20: 00000000 3fff29c0 00004e9c 40226797
3fffff30: 00000000 00000000 00004d70 40100fc0
3fffff40: 3fffdad0 3ffefb9e 3fff3000 3fff3040
3fffff50: 3fffdad0 3ffefb9e 3fff3000 4022697b
3fffff60: 3fffdad0 3ffefb9e 3fff3000 40244601
3fffff70: 00000000 feefeffe 00efeffe feefeffe
3fffff80: 00000000 00000000 00000001 3fff3040
3fffff90: 3fffdad0 00000000 3fff3000 40244cb0
3fffffa0: feefeffe feefeffe feefeffe 40262a60
<<<stack<<<

--------------- CUT HERE FOR EXCEPTION DECODER ---------------

ets Jan 8 2013,rst cause:4, boot mode:(3,6)

wdt reset load 0x4010f000, len 3584, room 16 tail 0 chksum 0xb0 csum 0xb0 v3969889e ~ld Ada

ets Jan 8 2013,rst cause:4, boot mode:(3,6)

wdt reset load 0x4010f000, len 3584, room 16 tail 0 chksum 0xb0 csum 0xb0 v3969889e ~ld Ada

`

[ShKlinkenberg]

I'm having similar issues on my esp32 board. After flashing the board and entering the wifi password I can visit the device on my local wifi network. This is a 2.4 and 5 wifi network with same SSID. After unplugging and connecting to other power source it does not connect to my wifi but offers the access point instead. Oh and nothing is connected to the GPIO ports.

I tried

• Creating separate SSID for 2.4 wifi
• version 0.14.0, 0.14.1-b1 and 0.14.1-b2

I'm new to the whole IoT space and esp32 / wled. but now I'm at a loss. Any ideas. Recompiling firmware sounds a bit daunting to me.

[blazoncek]

Please use WLED forum or Discord for help and support questions.

[ellnic]

@ShKlinkenberg much of this has been mentioned above - you're half way there separating the 2.4G band, this is a must for many IoT devices but further up in this issue are 2 other things to try that usually resolved the problem. The main one: I bet you still have channel set to Auto. A hideous feature even on more expensive hardware that can cause all manor of havoc. Disable auto and try channel 1, 6 or 11. Ideally use some software to scan for channels in use and pick the one that is furthest from the busiest. Secondly: Depending on your hardware you could also try narrowing the band (20MHz) if your router offers it. It's usually joined bands and auto channel that upsets these ESPs in my experience so try setting a dedicated channel first. If this doesn't do it, hop on the discord.

[ourgangmn]

I have one ESP32 that has been a nightmare to get connected. It works as expected if connected to my laptop via a USB cable. I even put the board on a developer board and the power from the 5v power supply only is connected the Vin and GRD pins, bypassing the microUSB connection. That worked for a week. Now it refuses to connect to any wifi connection. I even separarated 2.4 and 5 GHz bands on my router, simplified the password, changed the channel to 11 and limited the band to 20 MHz. The absolute only way to connect wirelessly to this device is via the AP that the board creates because if refuses to connect to wifi. And, the Wifi password has been entered correctly in the Wifi Config page. This board seems to be worthless as far as network connectivity goes.

[ShKlinkenberg]

@ourgangmn

For me this was my first experience with ESP32. It turned out it was a faulty board. I had a two pack, and the other one worked right of the bat. Wasted so much frustrated time on this. But let”s get of the dev forum, it is not software related.

[ellnic]

@ourgangmn as @ShKlinkenberg says, this is probably a faulty board.

I don't always go for Lolin units depending on price, and I had a batch from a particular Ali seller that were all bad. The seller was reputable and I had ordered from them on and off for years - but things like this happen.

My symptoms were exactly as you describe - they would connect to the personal hotspot but not to the router. I suspect this was an antenna issue due to the proximity of my phone when setting up.

The seller in my case was obviously aware that some were bad and refunded without quibble, and I continue to order from them.

You did all the correct changes in your router, so communicate with the seller and hopefully get a refund for these and grab a different batch. I'm willing to bet a different lot will work just fine.