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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Open-collector or open-drain, same thing outputs are nice and flexible like this you can wire several of them together to one pull-up resistor to make a hard-wired AND gate too. Without a resistor, it measures 0V when inactive, about 6.

When the alarm is triggered the signal pin is connected to ground. If 12V you’d need a level shifting circuit such as resistor divider. Now I’m starting to see what the term “pull-up resistor” actually means!

I’m also trying to use this sensor, but confused about what the blue and green wires do. 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. Measure the output voltages with manuall connected, and then again with 10k resistor from output to 5V. Great, thanks so much for your help! Check the PDF Manual: This is the “manual”: 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 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. I know thread is old.

DEI Viper 508d Manual and Advice?

However I’d suggest it would be best to measure. How would I sense that, and is it OK to connect that resistor directly to the Arduino’s 5V power even though this runs on car 12V?

The blue wire is “alarm” – someone’s entered the smaller alarm perimeter. Thanks for your help! MarkT Brattain Member Posts: But I found 580d input to the initial problem under: Dwi 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.


I didn’t want to pass that voltage into the Arduino and fry it. If only the latter works and gives I took a few electronics courses back in college, but have forgotten most of it.

DEI D Field Proximity Sensor

Eventually I realized that the signal pins are left floating when the alarm is not triggered. That means it’s grounding, right? If both generate an output then take note of the voltages involved. Is there something Maual can read online to get a better understanding?