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Author Topic: Connecting Nonin OEM lll to arduino pro mini 5V  (Read 1099 times)
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Hi guys, I have recently bought an Arduino Pro Mini 5V, sparkfun logic level converter and a Nonin OEM lll. According to the datasheet and research i have found, the logic level converter is required because the OEM lll operates at 3.3V, whereas the Pro Mini operates on 5V, so it acts as a step down voltage.
As for the datasheet for the OEM lll, the output will be pin 11 and the inputs are pin 16, 15, 13, 9 and 10.
Pin 16-3.3V dc
Pin 15-Gnd
Pin 13-Reset
Pin 9-Serial Data Format Switch
Pin 10-Serial input
Pin 11-Serial output

Can someone please guide me along for the connections for the Nonin OEM lll?
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Com on, now. 44 posts and you still don't know that the first question is always "where is the link to the device in question?".
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Yup, I still got no clue about it (:
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Well if it's this thing it should be able to run of 5v

http://www.nonin.com/documents/OEM%20III%20Module%20Specifications.pdf

Think you only need to connect j1-15 and j1-11

Depending on the what kind of serial format you want you need a resistor to ground an j1-9

And you need to feed power (5v) to the device.
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Thanks for the answer wortelsoft. I think the 5v will be connected to the J1-16(pin 16).

I thought of using the Serial Data Format 2, which is the default format, do you have any clues on how am i going to start the program? I am not unfamilar with the bits and bytes and how it works.

Please help (:
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