This error only occurs when I am trying to use my laptop as a hotspot (don't ask why I need a hotspot when I have wifi, I don't, but I am experimenting with my devices). There are multiple devices using this router, wirelessly and not, none of which have any problem connecting to the internet. I am using an ethernet cord connected to my HOME wifi router. I am not at a University, which is the setting of most of the threads I have read about this error.
The up arrow appears over my wifi icon in the top right of my screen, but my Galaxy s5 is unable to obtain an IP address. When I attempt to Share my connection as a Wifi signal an error occurs telling me that this cannot be done because of a 802.1X security measure. Any help would be appreciated.Use my MacBook Pro (Mid 2010, El Capitan) as a Wifi Hotspot for my Galaxy s5 to connect to (Ethernet in ->Wifi out)įirst, my ethernet connection will not authenticate, though I can browse the internet just fine, any website loads. Using a local server IP address like my router's IP address, the connection works. if the server's disconnected, stop the client: from the server, read them and print them: if you didn't get a connection to the server: if you get a connection, report back via serial:Ĭlient.println("GET /search?q=arduino HTTP/1.1") Ĭlient.println("Host: client.println("Connection: close") give the Ethernet shield a second to initialize: try to congifure using IP address instead of DHCP: Serial.println("Failed to configure Ethernet using DHCP") Open serial communications and wait for port to open: that you want to connect to (port 80 is default for HTTP): with the IP address and port of the server Initialize the Ethernet client library Set the static IP address to use if the DHCP fails to assign IPAddress server(74,125,232,128) // numeric IP for Google (no DNS)Ĭhar server = "// name address for Google (using DNS)
use the numeric IP instead of the name for the server: if you don't want to use DNS (and reduce your sketch size) Newer Ethernet shields have a MAC address printed on a sticker on the shieldīyte mac = Enter a MAC address for your controller below. I get on my Serial line connection failed or it returns "connected" then "Disconnecting." immediately after because nnect has returned -1. I tried making pin 4 of the SD memory card SPI to output pinMode(4, OUTPUT) digitalWrite(4, HIGH) But it doesn't work. I tried assigning an IP address manually, not using DHCP. I tried connecting to different websites. I found out that nnect(server, 80) is returning -1 "Time_OUT" and it is supposed to return 1 according to the Arduino Ethernet library. DHCP is working, the Ethernet shield is receiving an IP address from the Linksys modem "router" and everything is fine.īut I cannot connect to a web site using the WebClient code. I'm using an Arduino Uno and Ethernet shield with the WIZnet chip W5100.
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