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Author Topic: Best way to add wifi to an arduino controlled power switch  (Read 1249 times)
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Hello,

I am trying to develop a power switch that will control a 240V power outlet (as described in https://www.sparkfun.com/tutorials/119) and I need to add wifi to the whole mix.  Besides putting a WiFly shield on each board, are there any other cheaper alternatives?  Would it be better to connect a raspberry pi to the arduino and have the pi do all the database storing data (like when it was turned on and off)?

Thanks
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Switzerland
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If you wanna add a Raspberry Pi, what do you need the Arduino for then?

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Besides putting a WiFly shield on each board, are there any other cheaper alternatives?

Using an RN-XV WiFly Bee would be cheaper but also adds more complexity to your project.
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Earth
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 a lot of people have good luck with wifi router load openwrt, a common one is TP-Link TL-WR703N.

TP-Link TL-WR703N
CPU Atheros AR7240 400Mhz
802.11 b/g/n 150Mbps (130Mbps real)
4 MB flash memory
32 MB RAM
USB 2.0 port (High-Speed only, use an external High-Speed hub for Full/Low-Speed devices)

TP-Link TL-WR703N cost 90.00 RMB/15.00 USD at Chinese market, You could get it from ebay for 20.00 USD

TP-Link TL-WDR3600
Ethernet: Atheros AR8327N Gigabit Switch
CONCURRENT DUAL BAND WIRELESS 2.4GHz 300Mbps+5GHz 300Mbps
CPU AR9344 (MIPS)/560 MHz
USB 2 x 2.0
8MB flash memory
128 MB RAM
Power Suply  12V/1.5A

I got mine for 40.00 USD from newegg onsale few weeks back, It run openwrt with arduino very well.

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