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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If both generate an output then take note of the voltages involved.

Great, thanks so much for your help! I’m also trying to use this sensor, but confused about what the blue and green wires do.

DEI D Field Proximity Sensor

MarkT Brattain Member Posts: If only the latter works and gives Is there something I can read online to get a better understanding?

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.


The blue wire is “alarm” – someone’s entered the smaller alarm perimeter.

That means it’s grounding, right? It’s a 12V circuit, it has two outputs which I’d like to sense.

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? I didn’t want to pass that voltage into the Arduino and fry it. Hmm, rather unclear that document and my neck now aches I think manaul 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 took a few electronics courses back in college, but have forgotten most of it. Without a resistor, it measures 0V when inactive, about 6.

DEI Viper 508d Manual and Advice?

Thanks for your help! When I first tried hooking this up to my Arduino I was worried manhal the sensor running on 12v. But I found good input to the initial problem under: 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. Measure the output voltages with nothing connected, and then again with 10k resistor from output to 5V. Eventually I realized that the signal pins are left floating when the alarm is not triggered.


I know thread is old.

DEI Viper d Manual and Advice?

Check the PDF Manual: Now I’m starting to see what the term “pull-up resistor” actually means! This is the “manual”: 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.

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