Unable to connect WiFi even from 1m from router



  • I have installed an old wifi router near the printer as the one on the second floor is unable to connect to the board when the printer is closed.
    no the printer is open (delta) and the router is sitting on the ground at a distance of 1m and im still getting error: timed out while trying to connect…why ??
    all other devices can connect to the old router without any problem
    I have also deleted from the wifi module the old wifi ssid and re done the procedure but is not working for me, what can I do ?


  • administrators

    1. Please check which firmware versions you are using, by sending M115 to get the main firmware version and M122 to get the WiFi firmware version.

    2. When you send M552 to the Duet, does it report that it is connected to your access point? if so, what signal strength does the M122 report show?

    3. Can you ping the IP address of the Duet from the PC?



  • 1. FIRMWARE_NAME: RepRapFirmware for Duet WiFi and Duet Ethernet FIRMWARE_VERSION: 1.21RC2 ELECTRONICS: Duet WiFi 1.02 or later FIRMWARE_DATE: 2018-02-15 build 2

    2. WiFi module is idle

    3. cant ping the ip


  • administrators

    And the WiFiServer version? It's in the M122 report.

    If you send M552 S1 via USB or PanelDue, what is the eventual response?



  • WiFi -
    Network state is running
    WiFi module is idle
    Failed messages: pending 0, notready 0, noresp 0
    WiFi firmware version 1.21RC2
    WiFi MAC address 2c:3a:e8:0b:28:95
    WiFi Vcc 3.38, reset reason Turned on by main processor
    WiFi flash size 4194304, free heap 19432
    Socket states: 0 0 0 0 0 0 0 0



  • it has something to do with my old router I think because when i try to connect to the good one (but on the second floor) i get this after M122

    • WiFi -
      Network state is running
      WiFi module is connected to access point
      Failed messages: pending 0, notready 0, noresp 0
      WiFi firmware version 1.21RC2
      WiFi MAC address 2c:3a:e8:0b:28:95
      WiFi Vcc 3.39, reset reason Turned on by main processor
      WiFi flash size 4194304, free heap 16472
      WiFi IP address 192.168.2.106
      WiFi signal strength -89dBm, reconnections 0, sleep mode modem
      Socket states: 0 0 0 0 0 0 0 0
      === Expansion ===

    it load the interface but without UI and its not responsive to any command
    still cant ping



  • I think i have to buy a router and place it in the same room as the printer, with the new model wifi router i can barely connect at -86dBm, totally unresponsive at -89dBm while with the old router ('95) cant even connect within 1m, the strange thing is that the other electronics can.



  • is possible to modify the wifi version into Ethernet ?


  • administrators

    @paboman:

    it has something to do with my old router I think because when i try to connect to the good one (but on the second floor) i get this after M122

    • WiFi -
      Network state is running
      WiFi module is connected to access point
      Failed messages: pending 0, notready 0, noresp 0
      WiFi firmware version 1.21RC2
      WiFi MAC address 2c:3a:e8:0b:28:95
      WiFi Vcc 3.39, reset reason Turned on by main processor
      WiFi flash size 4194304, free heap 16472
      WiFi IP address 192.168.2.106
      WiFi signal strength -89dBm, reconnections 0, sleep mode modem
      Socket states: 0 0 0 0 0 0 0 0
      === Expansion ===

    it load the interface but without UI and its not responsive to any command
    still cant ping

    That shows that it is connecting; however -89dBm is too low a signal level for a reliable connection.



  • @paboman:

    I think i have to buy a router and place it in the same room as the printer, with the new model wifi router i can barely connect at -86dBm, totally unresponsive at -89dBm while with the old router ('95) cant even connect within 1m, the strange thing is that the other electronics can.

    Why not just get a cheap booster that plugs into a socket?


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