Adding a Wifi Microcontroller for a Raspberry Pi CMIO

I'm trying to add WiFi to a Compute Module, but don't want to use a USB Dongle, because I need the WiFi to be permanent. Does anyone have any suggestions on what model WiFi module I should use and which communication protocol I should connect it with? If anyone has done this kind of interfacing, any help would be appreciated.

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sdrake@ece.ualberta.ca over 6 years ago

Hi, what about using the ESP8266 which just needs a UART TX/RX lines.

Regards,

Steve Drake
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lordtyrion over 6 years ago in reply to sdrake@ece.ualberta.ca

HI,
I was thinking about using the ESP8266 but then read that due to the UART connection, the speed is only going to be in Kbps, which is fine for ssh and small file transfers. But I am going to be doing some reasonably sized transfers, like audio files and such, and I figured the speed wasn't going to be enough. Are there any other faster connections I can use?
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sdrake@ece.ualberta.ca over 6 years ago in reply to lordtyrion

Just FYI the EP8266 statup baud rate is 115200 not 9600.
Sorry I didn``t know what you were doing this for, thought
just a hobbiest. If this is industrial then you need to lookup
or talk to the people who make the module and ask them if
they have a solution that will be robust enough for your
application.

Regards,

Steve Drake
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shabaz over 6 years ago in reply to lordtyrion

lordtyrion wrote:

HI,
I was thinking about using the ESP8266
Why? It's the wrong solution if you're going to the effort of using a CM.. you need a device that operates as network processor, not a device with embedded application processor and TCP/IP. ESP.. is great for hobby use and that's about it.
There are many options (serial bus interfacing, including USB) as mentioned by everyone below.
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shabaz over 6 years ago in reply to lordtyrion

lordtyrion wrote:

HI,
I was thinking about using the ESP8266
Why? It's the wrong solution if you're going to the effort of using a CM.. you need a device that operates as network processor, not a device with embedded application processor and TCP/IP. ESP.. is great for hobby use and that's about it.
There are many options (serial bus interfacing, including USB) as mentioned by everyone below.
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