Hi guys,
I've got some LJ12A3-4-Z/BX inductive proximity sensors that I want to hook up to an input on my board that only accepts 3.3V.
The sensor is powered with 24V, and the output pin is 24V when no object is detected. When a metallic item comes within 4mm the output falls from 24V to 0V.
I want to hook that output up to an input on my microcontroller card, but that input only accepts maximum 3.3V.
I was thinking I'd create a circuitboard to put between the sensor and the mucrocontrollerboard, and that I could put a 3.3V voltage regulator on in, but the ones I have have maximum 20V input.
What would be the simplest way of reducing the 24V to 3.3V? Add a 12V regulator in front of the 3.3V regulator?
I've got some LJ12A3-4-Z/BX inductive proximity sensors that I want to hook up to an input on my board that only accepts 3.3V.
The sensor is powered with 24V, and the output pin is 24V when no object is detected. When a metallic item comes within 4mm the output falls from 24V to 0V.
I want to hook that output up to an input on my microcontroller card, but that input only accepts maximum 3.3V.
I was thinking I'd create a circuitboard to put between the sensor and the mucrocontrollerboard, and that I could put a 3.3V voltage regulator on in, but the ones I have have maximum 20V input.
What would be the simplest way of reducing the 24V to 3.3V? Add a 12V regulator in front of the 3.3V regulator?