Amazon.com: Icstation 24V to 5V 8 Channel PLC-PNP Signal Converter, Optocoupler Isolation Board, Voltage Level Converter Module : Electronics
Amazon.com: NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN to PNP ( 12V to 5V) : Industrial & Scientific
Amazon.com: HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V : Industrial & Scientific
Optokoppler-Isolationsplatte, 12V bis 5V, 4-Kanal-Spannungswandler, isoliertes Modul, SPS-Signalpegelplatine : Amazon.de: Elektronik & Foto
Keenso 2 Channel Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino 5V / 12V / 24V (12V) : Amazon.de: Business, Industry & Science
5V/12V/24V 8 Channel Optocoupler Relay Module Board with High/Low and Trigger Power Indicator Light(24V): Amazon.com: Industrial & Scientific
ANMBEST 10PCS 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino : Amazon.sg: Industrial & Scientific
ZYAMY 2 Channel 12V Red Board Relay Module with Optocoupler Isolation Supports High and Low Level Trigger for SCM Household Appliance Control: Amazon.com: Industrial & Scientific
Amazon.com: 5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay) : Industrial & Scientific
1 STÜCK 2 Kanal Relais Modul, 5V/12V/24V Optokoppler Relaismodul Isoliertes Triggermodul mit hohem und niedrigem Pegel (24 V) : Amazon.de: Baumarkt
Relay Module with Optocoupler 1 Channel High Low Level Trigger Relay Module Board AC 250V/10A DC 30V/10A (5V): Amazon.com: Industrial & Scientific