EmonWRT3 Network Locked Out: Difference between revisions

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=Overview=
=Overview=
[[File:Ftdi-usb-to-ttl-serial-converter-adapter-ft232rl.jpg | right | 300px]]
[[File:Ftdi-usb-to-ttl-serial-converter-adapter-ft232rl.jpg | right | 150px]]
This page will help you restoring the EmonWRT3 system if the device can not connect to any network after misconfiguration.
This page will help you restoring the EmonWRT3 system if the device can not connect to any network after misconfiguration.


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=Hardware Setup=
=Hardware Setup=
[[File:IMG_1830_small.png| right | 300px]]
[[File:IMG_1830_small.png| right | 150px]]
* Remove the Microcontroller from the Base Board. This is the wide 28 pins chip. This must be taken off the board.
* Remove the Microcontroller from the Base Board. This is the wide 28 pins chip. This must be taken off the board.
* Setup the USB adaptor for 3.3V using the small jumper.
* Setup the USB adaptor for 3.3V using the small jumper.
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* '''Speed''' 115200
* '''Speed''' 115200


[[File:Putty_example_01.png | right | 300px]]
[[File:Putty_example_01.png | right | 150px]]
 
Click on '''Open'''. A black backgound window will appear.

Revision as of 12:18, 5 February 2019


Overview

This page will help you restoring the EmonWRT3 system if the device can not connect to any network after misconfiguration.

The proposed procedure is to connect to the Emonwrt3 using serial (USB). Then reflash the operating system and re-install EMonwrt3 software.


Hardware

A USB to UART adaptor is required.

Hardware Setup

  • Remove the Microcontroller from the Base Board. This is the wide 28 pins chip. This must be taken off the board.
  • Setup the USB adaptor for 3.3V using the small jumper.
  • Connect the USB adator to the (Gnd,Rx,Tx) connect on the base board. The USB adaptor also has (Gnd,Rx,Tx).
  • Connect the USB adaptor to your computer. A red light should be lit.

It should look as this picture here in the end.

Software Preparation

Download the Putty software from the web. Install it on your computer.

Start Putty and setup a serial connection.

  • Serial Line /dev/ttyUSB0 (or equivalent for windows or mac).
  • Speed 115200

Click on Open. A black backgound window will appear.