This 4-channel optocoupler module uses PC817 optoisolators with screw terminal connections, suitable for isolating digital signals between circuits with different ground potentials.
Quick Spec
- Optocoupler IC: PC817
- Channels: 4
- Input Terminals: Screw terminals (INT+ to INT4)
- Output Terminals: Screw terminals (U1 to U4, G)
- Mounting Holes: 4x corner mounting holes
- Board Marking: BACK-817-V1.0





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