2-Channel Level Converter (12V to 5V)
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Are you still distressed that industrial sensors can't be used on the Arduino ? You may need to get a converter just like this!
This 12V to 5V level converter module with 2-channel optocoupler isolation features common anode / common cathode / differential signal inputs. The level shifter translates signal level from 12V to 5V and offers PNP output (NPN to PNP available). It can be used for signal isolation, PLC signal level conversion, NPN to PNP signal conversion, polarity conversion, signal level voltage conversion and so on.
Wiring Diagram of Common Anode Signal Input
Installation
Note: Module DC power supply positive equals to the signal output voltage, for example, 12 to 5V module, power input VCC=5V.