![]() When I simulate the circuit, it works exactly as I intend. Using the op amp as a non-inverting amplifier, and choosing my resistors as shown in the schematic below, I should see a gain of 11, which should give Output = V0 * 11. My idea is to use an op amp (I have a couple of LM2902N's lying around) to multiply the voltage. What I would like to do is monitor the pins with my RPi, so I figure that the input voltages to the RPi will need to range from 0V to 3.3V in order to work with the GPIO pins. a door is open, a motion detector detects motion) the corresponding pin goes from 0V to about 0.3V. I have snooped on the control box with a voltmeter and it looks like when a sensor is tripped (i.e. With the addition of a Z-Wave enabled cellular module, with service from, control of automated lights, door locks, thermostats and more is available using almost any Web enabled device.Much like this question, I am trying to interface a Raspberry Pi 3 Model B to an alarm system, but this time is is a GE NetworX NX-8V2. The modular design allows for complete integration of multiple systems within one enclosure, and adding more zones or expanding capability is fast and easy. Offering up to eight standard hardwire zone inputs, the control panels also provide four programmable outputs that can be set up to activate external devices during an alarm or other system event. ![]() A highly flexible security option that is both easy to install and simple to use, NetworX control panels can accommodate smaller residential applications up to the most demanding commercial security needs. The NetworX line of control panels represent a full-featured security system that uses advanced technology for burglary, fire and environmental detection. ![]()
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