I’d like to hook up a DEI D Field Proximity Sensor to an Arduino. This is the “manual”: Manual or automatic transmission selection. Note: In the case of D, power and ground must be hardwired to the . DEI feature error. Protect your vehicle with an invisible sensing field which detects moving high- density objects (including people) near your car using Radio Frequency (RF) field.

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MarkT Brattain Member Posts: The blue wire is “alarm” – someone’s entered the smaller alarm perimeter. I know thread is old. If 12V you’d need a level shifting circuit such as resistor divider. But I found good input to the initial problem under: Is there something I can read online to get a better understanding?

However I’d suggest it would mankal best to measure.

DEI Viper d Manual and Advice?

If only the latter works and gives When I first tried hooking this up to my Arduino I was worried about the sensor running on 12v. It’s a 12V circuit, it has two outputs which I’d like to sense. I’m also trying to use this sensor, but confused about what the blue and green wires majual.


Without a resistor, it measures 0V when inactive, 508r 6. Measure the output voltages with nothing connected, and then again with 10k resistor from output to 5V. Hmm, rather unclear that document and my neck now aches I think it might mean the outputs are open-collector capable of mA sink.

This is the “manual”: I took a few electronics courses back in college, but have forgotten most of it. Now I’m starting to see what the term “pull-up resistor” actually means!

With a 10K resistor connected between the output and the 16V rail sorry, no 5V available right nowit reads 15V at the output when inactive, but drops to zero when triggered. This means you can connect the signal pin to a Arduino digital input pin, but you need to connect it to a pull up resistor so you get a constant value.

That means it’s grounding, right? I didn’t want to pass that voltage into the Arduino and fry it. If both generate an output then take note of the voltages involved.


DEI Viper 508d Manual and Advice?

Check the PDF Manual: When the alarm is triggered the signal pin is connected to ground. How would I sense that, and is it OK to connect that resistor directly to the Arduino’s 5V power die though this runs on car 12V? Great, thanks so much for your help! Thanks for your help! Eventually I realized that the signal pins are left floating when the alarm is not triggered.

Open-collector or open-drain, same thing outputs are nice and flexible like this you can wire several of them together 508dd one pull-up resistor to make a hard-wired AND gate too.