HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: 12V/24V Digital Voltage Comparator DVB01 Voltage Comparator Module Red Discharge Protection Voltage Measurement Overvoltage Undervoltage Overload Protection Module(12V) : Industrial & Scientific
Amazon.com: Denkovi 2 Channel Relay Board 24VDC for Your Arduino or Raspberry PI, PIC, AVR, ARM : Electronics
Amazon.com: HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V : Industrial & Scientific
HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific
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Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
2 Channel Relay Module 5V 12V 24V Control Board with Optocoupler Isolation High and Low Level Trigger 50x41x18.5mm (24V): Amazon.com: Industrial & Scientific
1PCS 8 Channel 3.3V Relay Module 3V Optocoupler Module 8 Way Relay Control Board: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 2pcs DC 24V 1 Channel Relay Module with OPTO Isolation Support High or Low Level Trigger : Industrial & Scientific
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Amazon.com: HiLetgo 5V 8 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+ : Electronics
HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific
Keenso 4 Kanal Optokoppler Relais, 5V / 12V / 24V Hoher und niedriger Trigger Optokoppler Relaismodul 4 Kanal Relaiskarte (5V) : Amazon.de: Baumarkt
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
Amazon.com: Denkovi 2 Channel Relay Board 24VDC for Your Arduino or Raspberry PI, PIC, AVR, ARM : Electronics
5 Stück Relais Modul 5V, 1 Kanal Relaisplatine mit Optokoppler, High Level Trigger Relaismodul, Low Level Trigger Erweiterungsplatine, Relaisschalt Modul für Arduino 5 V/12 V/24 V (5V) : Amazon.de: Baumarkt
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific