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Topic: Sensor Data Help (Read 569 times) previous topic - next topic

I have an 3 wire Eaton iProx sensor that detects metal. Since it needs 6-48v to operate I am using a 9v battery to power it. Whenever it detects metal it outputs the input voltage through the signal wire. I am using a 7805 voltage regulator to bring it down to 5v so I can plug that into my Arduino. Would it be better to use a transistor instead since the Arduino and the sensor are both using different power sources? I have a schematic for it below I don't know if I drew it properly though.


I think it would be easier to just use a resistor and zener diode combination, like this:


Do not enable the pullup resistor though.

The Rugged Motor Driver: two H-bridges, more power than an L298, fully protected

Where could I get one of those from? 


This should work:


Beat707: MIDI drum machine / sequencer / groove-box for Arduino

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