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Amazon Yizhet 8-kanałowy przekaźnik moduł 5V DC 230V Optokoppler pasuje do Arduino Raspberry Pi - Ceneo.pl
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Amazon.com: D-FLIFE 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR (5V 16-Channel) : Electronics
Youmile LM393 Speed Measuring Sensor Speed Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoder Pack of 5 : Amazon.de: Electronics & Photo
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Amazon.com: LGDehome 2pcs DC 5V 4 Channel Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics