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Does anyone interface with Wifi ic before?

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I wish to know what should i look for to incorporate Wifi capibility with my uController project. is it possible? is it difficult?

https://www.realtek.com.tw/products/products1-2.aspx?modelid=2003052

Basically my project is a web-based EKG system that measure heart rate.
Initially i was thinking to use RTL8019AS as a ethernet interface, then i came across a wifi + ethernet controller, so i start thinking the posibility to add the mobility to it.

Does anyone has the experience on it? What aspect should i look into? or any other simple solution that can interface with uController?
 

bmcculla

New Member
When you're considering parts its important to find out whether you can buy them or get samples in a reasonable time frame. It can be quite hard to actually get devices from some companies.

Another consideration is the package that the component is available in. If a component is available only in a BGA or MLF package, unless you have access to advances soldering eqiupment you wont be able to prototype with the IC.

That realtek Wi FI Chip is almost certainly a BGA package.

From my experience it is very difficult to get Wi Fi of Bluetooth chips and they are all in packages that cant be hand soldered.

I would recommend you stick with ethernet and use a microcontroller with a built in ethernet interface. Take a look at the DS80C400 from Maxim. https://www.maxim-ic.com/quick_view2.cfm/qv_pk/3609
They shipped me 2 samples free of charge and they arrived within the week. The 8051 processor it uses is the most used 8bit microcontroller. It comes in a QFP (Quad Flat Pack) package that can be hand soldered with a little practice.

Your best bet is probably buying a development kit. A bit pricy ~200$ but it will let you start developing your application right away. Check Digikey.com - they have a lot of kits in stock.

For me digikey is best supplier by far. If they don't have a part in stock I'll seriously consider not using that part. A hint: if you do a search with no text it will give you a list of everyting they have.

Brent
 
yeah, the dev kit is quite expensive.....
but i think i will go for it, since this will enable me spend more time on other issues ...... and makes my life happier.....

after all, this might be the last year for me in university :wink:
 
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