$0.87 WiFi for Raspberry Pi and Arduino Projects

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My project goal is to make internet access for micro controllers dirt cheap and dead simple to implement in your own projects.

surfingsteve

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Step 1

For the majority of my tests I used two Raspberry Pi's, each with a nRF24L01+ connected to the SPI bus. The nRF24L01+ radio is available either at Amazon or Aliexpress. All of you should have a Raspberry Pi by now. If you want to follow along, here is how you connect the two devices together.
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Step 2
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Step 3

For clarity here is the nRF24L01+ pinout:
And the Raspberry Pi v2 GPIO header pinout:

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