Forum >Replies by johanhenselmans
Replies （2）
- You Reply: Could you please update the instruction on [url=http://www.arduinodev.com/hardware/obd-kit/]http://www.arduinodev.com/hardware/obd-kit/[/url] about the colors? It is very confusing, as I did not get any signal on green and white that were supposed to be serial...
- You Reply: [quote="johanhenselmans"]
The OBD-UART adapter I received has a blue/yellow wire. Which one is SDA, which one is SCL?
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[quote="stanleyhuang]
How many connectors does your adapter have? If it's 2, you may have ordered the standard version without I2C accelerometer.
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Nope, I have three connectors:
red/black
yellow/blue
green/white
[quote author=johanhenselmans"]
Furthermore I wondered how the device is powered: is it via the 12 V OBD bus or via the 5V wire?
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[quote author=stanleyhuang]
The adapter is powered by the 12V from the OBD port. The 5V/GND connector is used to power Arduino with regulated DC 5V.
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OK, thanks.