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Keenso 4 Channel Relay Module Relay Card with Optocoupler Low Trigger Expansion Card for Arduino 5V/12V/24V (24V) : Amazon.de: DIY & Tools
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Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
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kwmobile 3 x 2-channel relay module with 5 V for Arduino: Amazon.de: Electronics & Photo
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SunFounder 2-Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 1280 DSP ARM PIC AVR STM32 Raspberry Pi: Amazon.de: Spielzeug
Keenso 4 Channel Relay Module Relay Card with Optocoupler Low Trigger Expansion Card for Arduino 5V/12V/24V (12V) : Amazon.de: DIY & Tools
1 Channel Relay Module for Arduino 5 V Relay Module with Status LEDs genuino: Amazon.de: Business, Industry & Science
