WizFi?

Projects Networking, Protocols, and Devices
1

Does anyone have experience with the WizFi? I have gone through the configuration guide no problem. I am able to ping it from my computer and telnet into the server port but if it's stacked on my Uno R3 and I attempt to Upload a Sketch to it all I get is 'avrdude: stk500_getsync(): not in sync: resp=0x00'. If I unstack it I can Upload no problem. As a result I have been unable to test it to see if it's working b/c if it's stacked it's not talking to my PC.

Doesn't seem like many people use this shield so I may be out of luck...

Thanks,
Chad

2

I might have helped if you supplied a link to your shield. The WizFi210 module, which your shield is based on, I guess, supports UART and I2C (special versions also SPI) communication methods with the MCU. From the error message you get I guess your's is using the UART. In this case you always have to remove the shield when uploading code as the shield is using the same pins as are used for code transfer.

For debugging you can use SoftwareSerial with some sort of USB2Serial adapter (Arduino USB2Serial Light, Foca, UART Bee, FTDI cable, etc.) which is working even when the shield is stacked on.

3

Sorry didn't know there were multiple 'WizFi' shields,
This is the one I have,

w/ this chip
http://www.wiznettechnology.com/Sub_Modules/en/product/Product_Detail.asp?cate1=&cate2=&cate3=&pid=1132

I think I'm going to punt on using this chip. It's kinna flaky, 1/2 the time the WiFi doesn't reconnect upon power on. Seems a little expensive for all the trouble to get it working/debugging.

Thanks,
Chad

4

I don't know if there are more than one shield with this base module but you're asking for help so you have to provide the necessary information.

From the picture in the tutorial it seems that the shield has jumpers to switch off the connection of the module to the UART pins (it's labelled "WIFI/USB"). I'd guess they have to be in the right position (away from the base module) to be disabled.

The shield is done professionally providing all communication channels on extra connectors. This way you're able to connect the shield by I2C for example. Sure you have to change your software but you'll have much more control and a faster communication to the module.

5

Remove the jumpers, this will allow you to program the arduino. Removing them disable the wizfi module. Att

6

I got the same problem :cold_sweat:
Arduino Uno + Wizfi210 , Win7

Have anybody solve this problem?

Thanks!

7

I know this is an old post, but I just received my WizFi shield, just like the one described in the links. Since there appears little to no information or help on this shield, I'm thinking about returning it. I can upload sketches to the arduino, but I can't seem to get it to connect to my wifi network, and I cant seem to figure out why, nor have I been able to find info online that could shine some light on the issue. Have you guys made any progress w/this shield, if so, w/what code?

Thanks