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Topic: How to power up arduino (Read 277 times) previous topic - next topic

marcin_i

Hi,
I've decided to make my own ODBII data loger for my car based on http://www.arduinodev.com/hardware/obd-kit/. But I'm stuck with question can I power up arduino directly from ODBII? Or should I make seperate wire connection with 12V current (for example from car lighter).

I usle ODB2 interface with ELM327, on output I've already have Tx,Rx signals.

Br,
Marcin

dc42

You can take power from pin 16 of the ODBII connector, that's what it's there for.
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