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Single Channel 817 Optocoupler Isolation Board Voltage Conversion Module Small Signal Isolation Drive Large Signal PCB
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Photoelectric Isolated Module, PCB 817 Optocoupler Isolation Board Independent Pull Down Output 3.6‑30V for MOS Tubes : Amazon.co.uk: Business, Industry & Science
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4pcs pc817 optocoupler PC817 EL817 817 817C FL817C PS817C DIP optoisolator infrared diode phototransistor electric circuits for breadboard pcb arduino uno mega nano due pro mini micro raspberry pi tech ciruit techcircuit
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