pcduino vs arduino vs ?? for simple web projects.

[William Gilmore]

I have a few simple projects that involve input / output and the internet.  Temperature logging, irrigation, things like that.  A few inputs, a few outputs.  I was thinking arduino + ethernet or wifi shield because I'm comfortable with arduino but pcduino is cheaper.  Anything I should be looking out for? raspi? Give a kick in the right direction. --Will

pcduino $60 (https://www.sparkfun.com/products/11712)

wifi dongle $15 (https://www.sparkfun.com/products/11713)

arduino uno $30 (https://www.sparkfun.com/products/11021)

arduino mega $59 (https://www.sparkfun.com/products/11061)

arduino wifi shield $85 (https://www.sparkfun.com/products/11287)

[Chris Clearfield]

Hey Will,

I've found that, for my projects that need internet, I've been happy with the pi. It does all the networking stuff well, and I don't have to worry about library size for the networking code, etc.

If you're doing short-range, another solution is arduino uno with a bluetooth chip. The chip, once paired, looks just like a UART, and you can stream data (at baud at or below 115200) to PC or an embedded system that also has bluetooth. The bluetooth chips I have found are ~$8. 

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Chris

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Chris Clearfield

[Ben Combee]

Having build the webduino project that uses Arduino + Ethernet shield, I'd actively warn away from using that combo in favor of something higher level.  It's just too much pain building a reliable and secure web system on low-end hardware, and for one-off projects, going with a ARM-based system that can run a small Linux distro will be a huge improvement.

I'd even consider a Raspberry Pi at $35 combined with a Tinyduino type board ($10ish)... have the Pi run a wifi webserver and talk over USB to the Arduino board that handles real-time sensor work.

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