Description
4pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module Driver Photoelectric Isolated Module 3.6 30V (2pcs 8 Way Optocoupler) 2pcs 8 Way Optocoupler auspowers_batchthree 30% post consumer recycled content Read more Great Capacity uk B0FMNK2WJP industrial_UK_Aug2026 Size:3 inches x 30 feet 30% post consumer recycled content Read more PRECAUTIONS 1:It can only provide a switch signal to the device