I2C on a cDAQ

[DailyDose]

Hello,

I have seen the Whitepaper regarding I2C modules but they seem to be strictly for FPGAs.  Is I2C a possibility with cDAQs?  I could definitely see that being a "no" seeing as how the code is all remote.

[GerdW]

Hi Dose,

apart from your question: you might use an Arduino as a cheap I2C-to-COMport bridge…

[crossrulz]

I am a big fan of the USB-845x devices from NI, which can handle SPI and I2C as well as some additional DIO.  A little on the pricey side, but they work beautifully.

I have also had success using a VirtualBench as an I2C master, assuming you also need a DMM, oscilloscope, logic analyzer, power supply, and/or more DIO.

[DailyDose]

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@GerdW wrote:

Hi Dose,

apart from your question: you might use an Arduino as a cheap I2C-to-COMport bridge…

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This was actually one of the ideas we've put into our AoA.  Arduino/Pic.  But we only want a single controller.  So if I got with Micro option, then no cDAQ.  And I'm personally falling in love with the idea of all code being on the remote machine.

[DailyDose]

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@crossrulz wrote:

I am a big fan of the USB-845x devices from NI, which can handle SPI and I2C as well as some additional DIO.  A little on the pricey side, but they work beautifully.

I have also had success using a VirtualBench as an I2C master, assuming you also need a DMM, oscilloscope, logic analyzer, power supply, and/or more DIO.

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Definitely considered these, but for our needs, not enough DIO.