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Problems occurred in ESP8266 Wifi shield

 
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zonee



Joined: 06 Feb 2017
Posts: 1

PostPosted: Mon Feb 06, 2017 8:04 am    Post subject: Problems occurred in ESP8266 Wifi shield Reply with quote

I have a problem with the ESP8266 shield and the Arduino Uno Rev 3

I have made it work successfully with either software or hardware serial. However, if I connect a 12 V power supply to the Arduino and remove the usb cable (connecting the arduino to the pc) the STAT led on the wifi shield just goes off from whichever state it was before (either blinking or continuously on), and the shield becomes functionless. The POWER led remains on though.

In short, the problem is that the shield works either with software or harware serial but only when the usb cable connecting the arduino and the pc is plugged in.

What could be causing this issue?
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jmhc
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PostPosted: Wed Feb 22, 2017 9:06 am    Post subject: Reply with quote

Do you have sufficient current?
Are you sing the barrel connector?
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kfc55



Joined: 01 Dec 2017
Posts: 12

PostPosted: Thu Jan 18, 2018 10:22 am    Post subject: Reply with quote

Thank you for sharing valuable information.



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