An Arduino Shield for "Industrial" inputs?

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I can see lots of shields with relay outputs, but I'm not seeing anything with "Industrial" inputs - say 24V DC; maybe with (opto) isolation.

 

Do such things exist?

 

 

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Ha Ha - no sooner had I posted that than I had some Google inspiration:

 

http://www.audon.co.uk/arduino.html

 

http://www.industrialshields.com...

 

Further suggestions still welcome ...

Top Tips:

  1. How to properly post source code - see: https://www.avrfreaks.net/comment... - also how to properly include images/pictures
  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillatorhttps://www.avrfreaks.net/comment...
  5. When your question is resolved, mark the solution: https://www.avrfreaks.net/comment...
  6. Beginner's "Getting Started" tips: https://www.avrfreaks.net/comment...
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Though not quite what you're looking for there is Ruggeduino that will survive a mis-wire during installation.

http://www.ruggedcircuits.com/ruggeduino-1

"Dare to be naïve." - Buckminster Fuller

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gchapman wrote:

Though not quite what you're looking for there is Ruggeduino that will survive a mis-wire during installation.

http://www.ruggedcircuits.com/ruggeduino-1

 

Its operating temperature range is "interesting"

 

Ross McKenzie, Melbourne Australia