Hi,
I bought three of ESP8266 Wi-Fi Module ( https://www.adafruit.com/product/2282 ) on the 20th of January order ID 686038-0179184327 On powering them with the Pin-out provided on the product page, none of the modules powered up
Attached here is picture of my wiring with LD33CV regulator, input voltage to the LD33CV is 5.1V I have checked the output of the LD33CV with a digital multimeter and confirmed it 3.3V
ESP8266 not powering up
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- adafruit_support_rick
- Posts: 35092
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Re: ESP8266 not powering up
Please post some clear close-up pictures showing your soldering.
- Darl
- Posts: 8
- Joined: Fri Jan 23, 2015 10:52 am
Re: ESP8266 not powering up
I Hope this is clear enough?
basically this how I connected it:
A 5V 1A Wall Wart Adapter to the DC Barrel Jack
from jack +v to the input of the LD33CV (pin 3) and -v to GND (pin 1) of LD33CV
a 10uF from LD33CV GND to Vin and another 10uF from GND to Vout
I tested Vout and it 3.09V
Then using the attached Pin-out image I connected Vout to VCC and GND to GND of ESP8266
I also connected the CH_PD of the module to VCC
After all the connection the power LED of the module never came up
basically this how I connected it:
A 5V 1A Wall Wart Adapter to the DC Barrel Jack
from jack +v to the input of the LD33CV (pin 3) and -v to GND (pin 1) of LD33CV
a 10uF from LD33CV GND to Vin and another 10uF from GND to Vout
I tested Vout and it 3.09V
Then using the attached Pin-out image I connected Vout to VCC and GND to GND of ESP8266
I also connected the CH_PD of the module to VCC
After all the connection the power LED of the module never came up
- adafruit_support_mike
- Posts: 67454
- Joined: Thu Feb 11, 2010 2:51 pm
Re: ESP8266 not powering up
Your power connections look right..
Just to double-check, test the voltage between the solder joints at the VCC and GND pins on the breakout. It might be something as simple as a weak connection or a broken jumper.
Just to double-check, test the voltage between the solder joints at the VCC and GND pins on the breakout. It might be something as simple as a weak connection or a broken jumper.
- Darl
- Posts: 8
- Joined: Fri Jan 23, 2015 10:52 am
Re: ESP8266 not powering up
Seriously!! checked the voltage on the solder VCC and GND joint and it's 0V - Tested the Female-to-Male jumper wires for continuity and they were broken!!
used the few good jumper wires to wire the module, two powered and one did not. the two that powered won't respond to any AT command though I got the
when I power-up, so I believe if can get my hands on some good jumper cable or solder the module to a board it should respond to AT commands
So as it stands, I have one bad ESP8266 and a bunch of bad Female-to-Male jumper cable which am hoping to get a replacement or refund
used the few good jumper wires to wire the module, two powered and one did not. the two that powered won't respond to any AT command though I got the
Code: Select all
[Vendor:www.ai-thinker.com Version20.9.2.4]
ready
when I power-up, so I believe if can get my hands on some good jumper cable or solder the module to a board it should respond to AT commands
So as it stands, I have one bad ESP8266 and a bunch of bad Female-to-Male jumper cable which am hoping to get a replacement or refund
- adafruit_support_mike
- Posts: 67454
- Joined: Thu Feb 11, 2010 2:51 pm
Re: ESP8266 not powering up
Send a note to [email protected] with a link to this thread and the folks there will get you a replacement for the one EPS8266 that doesn't respond. If you got the jumpers from us, they'll get you a replacement on those too.
- Darl
- Posts: 8
- Joined: Fri Jan 23, 2015 10:52 am
Re: ESP8266 not powering up
Ok noted!
But the two is still not responding to any AT command
But the two is still not responding to any AT command
- adafruit_support_mike
- Posts: 67454
- Joined: Thu Feb 11, 2010 2:51 pm
Re: ESP8266 not powering up
That's probably a protocol issue.
Check your serial connection to make sure you're sending a proper <CR><LF> end-of-line symbol. The device won't respond until it sees that.
If you're using `screen`, try hitting CTRL-J after hitting return.
Check your serial connection to make sure you're sending a proper <CR><LF> end-of-line symbol. The device won't respond until it sees that.
If you're using `screen`, try hitting CTRL-J after hitting return.
- Darl
- Posts: 8
- Joined: Fri Jan 23, 2015 10:52 am
Re: ESP8266 not powering up
I don't think it's a Protocol issue, One is working perfectly OK now ( connected the GND of the FTDI Cable to GND of the LD33CV ) however the other one is not. responding with ERROR or Wrong Syntax and sometimes ( 3 in 10 ) response to AT+RST command.
How can I Re-Flash the module and Where can I get the firmware Adafruit used
How can I Re-Flash the module and Where can I get the firmware Adafruit used
- adafruit_support_mike
- Posts: 67454
- Joined: Thu Feb 11, 2010 2:51 pm
Re: ESP8266 not powering up
Yeah, you do need a common GND reference to make the signals work.
WRT the firmware, we ship them as we receive them. For documentation and software support we're letting http://www.esp8266.com/ take the lead. They have people learning and posting new information faster than we can match.
WRT the firmware, we ship them as we receive them. For documentation and software support we're letting http://www.esp8266.com/ take the lead. They have people learning and posting new information faster than we can match.
- TheExpertNoob
- Posts: 15
- Joined: Sun Feb 15, 2015 8:03 pm
Re: ESP8266 not powering up
Where are you getting the boards from? I have managed to find an AT version of v0.9.2.2(vendor:www.ai-thinker.com) firmware but it dosen't support DNS, The 0.9.2.4 did.adafruit_support_mike wrote:Yeah, you do need a common GND reference to make the signals work.
WRT the firmware, we ship them as we receive them. For documentation and software support we're letting http://www.esp8266.com/ take the lead. They have people learning and posting new information faster than we can match.
Anyways, I was trying out the IoT and NODEMCU firmware and wanted to go back.
EDIT: I think I found them including newer firmware with "SmartLink" Im going to check it out.
https://drive.google.com/folderview?id= ... ptbzg#list
Also, I almost forgot, when you reflash, some settings that keep with the ESP8266 like AT+CWMODE and AT+ CIPMUX will need to be reset.
- adafruit_support_mike
- Posts: 67454
- Joined: Thu Feb 11, 2010 2:51 pm
Re: ESP8266 not powering up
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Please be positive and constructive with your questions and comments.