I use a n channel mosfet for this type of thing. Sensor signal to gate with a pull down resistor.
PIC pin pulled high, mosfet takes it low when sensor is triggered.
No need to worry about the 25V. Just use a common ground.
More parts but works well.
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I use a n channel mosfet for this type of thing. Sensor signal to gate with a pull down resistor.
PIC pin pulled high, mosfet takes it low when sensor is triggered.
No need to worry about the 25V. Just use a common ground.
More parts but works well.
Dave
Always wear safety glasses while programming.
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