"Error talking to shield" for ESP8266 WiFi Shield

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"Error talking to shield" for ESP8266 WiFi Shield

Postby shawchyn » Wed Apr 10, 2019 2:16 am

Hi

I bought two unit of Cytron ESP8266 Wifi shield.
When I try out the sample code, one of the shield give me the error of "Error talking to shield", regardless which sample apps I try.
But, on the second shield, all the code work perfectly! I wonder what's wrong with the shield with the "Error talking to shield"

This is the firmware for the working shield, I believe the non-working should be the same version, coz I bought it together.

CODE: SELECT_ALL_CODE
AT version:0.52.0.0(Jan  7 2016 18:44:24)
SDK version:1.5.1(e67da894)
compile time:Jan  7 2016 19:03:11
Mode: 1
Start wifi connection
Connected to D1106
IP address:
192.168.1.157
2


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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby ober » Wed Apr 10, 2019 6:56 am

Mind showing the setup of the shield that is not working? A clear photo from top is good enough.
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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby ober » Wed Apr 10, 2019 10:09 am

Hi, thanks for the picture... mind sharing the sample code that you use here?
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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby shawchyn » Wed Apr 10, 2019 2:07 pm

It is just to run the sample code from your GitHub, just modified the SSID and key to match my network.

nothing change.

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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby ober » Wed Apr 10, 2019 3:37 pm

Actually there are quite a number of sample code in our github... Anyway, I will assume you use CytronWiFiDemo.ino....

I also notice there are differences between both your WiFi shield, the mini jumper on the UART pin selector. RX and TX. The sample code is based on pin 2 and 3.

The shield that is working has both these mini jumper at D2 and D3, while the one which is not working is at D0 and D1. Try change those mini jumper to D2 and D3.
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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby shawchyn » Wed Apr 10, 2019 4:39 pm

Yes, I do tested on the WIFIDEMO, HTTPS, etc. But the result are the same.

Both shield doesn't work for the https.
One of the shield doesn't work for the WIFIDEMO, it gave the "Error talking to shield".

Both card jumper is set to using
TX --> D3
RX --> D2

exactly the way I received it.
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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby shawchyn » Wed Apr 10, 2019 9:59 pm

Should I install the new firmware to test? :?:

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Re: "Error talking to shield" for ESP8266 WiFi Shield

Postby ober » Thu Apr 11, 2019 5:20 am

If that is the case, then please do contact our technical team at support@cytron.io, they can arrange for you to send back and we can verify the shield that have problem.
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