![Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products](https://m.media-amazon.com/images/I/6141oEpsMpL._AC_SX679_.jpg)
Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products
![Optokoppler H/L Relais-Modul, 12 V, Level Triger für Arduino, 6 Stück : Amazon.de: Gewerbe, Industrie & Wissenschaft Optokoppler H/L Relais-Modul, 12 V, Level Triger für Arduino, 6 Stück : Amazon.de: Gewerbe, Industrie & Wissenschaft](https://m.media-amazon.com/images/I/51PZpfKgPBL._AC_SY355_.jpg)
Optokoppler H/L Relais-Modul, 12 V, Level Triger für Arduino, 6 Stück : Amazon.de: Gewerbe, Industrie & Wissenschaft
![DollaTek 5pcs 817 Optocoupler 2-Way Voltage Insulation Board Voltage Control Switch Module: Amazon.de: Electronics & Photo DollaTek 5pcs 817 Optocoupler 2-Way Voltage Insulation Board Voltage Control Switch Module: Amazon.de: Electronics & Photo](https://m.media-amazon.com/images/I/61M59K+vXeL._AC_SY355_.jpg)
DollaTek 5pcs 817 Optocoupler 2-Way Voltage Insulation Board Voltage Control Switch Module: Amazon.de: Electronics & Photo
![tmallshop 12 V EL817 1 Kanal Optokoppler tmallshopolation Board positiven Phase Verstärkung High Level Trigger 80 kHz: Amazon.de: Elektronik & Foto tmallshop 12 V EL817 1 Kanal Optokoppler tmallshopolation Board positiven Phase Verstärkung High Level Trigger 80 kHz: Amazon.de: Elektronik & Foto](https://m.media-amazon.com/images/I/61pwZ1tuDyL._AC_SX425_.jpg)
tmallshop 12 V EL817 1 Kanal Optokoppler tmallshopolation Board positiven Phase Verstärkung High Level Trigger 80 kHz: Amazon.de: Elektronik & Foto
![Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products](https://m.media-amazon.com/images/I/61RV8iIA5iL._AC_SX466_.jpg)
Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products
![Keenso 8 Kanal Optokoppler Relais Modul, 5V /12V /24V 8 Kanal Relais Board mit Optokoppler Hoch/Niedrig Trigger Erweiterungsplatine (5V) : Amazon.de: Gewerbe, Industrie & Wissenschaft Keenso 8 Kanal Optokoppler Relais Modul, 5V /12V /24V 8 Kanal Relais Board mit Optokoppler Hoch/Niedrig Trigger Erweiterungsplatine (5V) : Amazon.de: Gewerbe, Industrie & Wissenschaft](https://m.media-amazon.com/images/I/41nw4P-njOL._SX342_.jpg)
Keenso 8 Kanal Optokoppler Relais Modul, 5V /12V /24V 8 Kanal Relais Board mit Optokoppler Hoch/Niedrig Trigger Erweiterungsplatine (5V) : Amazon.de: Gewerbe, Industrie & Wissenschaft
![DollaTek Elektronische Schalter Steuerplatine Impulsauslöseschalter Modul DC-Steuerung MOS FET Optokoppler: Amazon.de: Gewerbe, Industrie & Wissenschaft DollaTek Elektronische Schalter Steuerplatine Impulsauslöseschalter Modul DC-Steuerung MOS FET Optokoppler: Amazon.de: Gewerbe, Industrie & Wissenschaft](https://m.media-amazon.com/images/I/61j6LlhWuVL._AC_SY355_.jpg)
DollaTek Elektronische Schalter Steuerplatine Impulsauslöseschalter Modul DC-Steuerung MOS FET Optokoppler: Amazon.de: Gewerbe, Industrie & Wissenschaft
![Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products](https://images-na.ssl-images-amazon.com/images/I/51UphGhKzLL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products
![Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products](https://m.media-amazon.com/images/I/51MGcS0rYhL._AC_.jpg)
Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products
![Keenso 1 Channel Relay Module Relay Card with Optocoupler Low Trigger Expansion Board for Arduino 5V/12V/24V (5V) : Amazon.de: Business, Industry & Science Keenso 1 Channel Relay Module Relay Card with Optocoupler Low Trigger Expansion Board for Arduino 5V/12V/24V (5V) : Amazon.de: Business, Industry & Science](https://m.media-amazon.com/images/I/41vKLgysTVL.jpg)
Keenso 1 Channel Relay Module Relay Card with Optocoupler Low Trigger Expansion Board for Arduino 5V/12V/24V (5V) : Amazon.de: Business, Industry & Science
![Amazon.com: Icstation 12V Optocoupler Isolation Board (5pcs), EL817 1 Channel Opto PNP NPN Signal Converter, Isolator High-Level Trigger 80KHz : Electronics Amazon.com: Icstation 12V Optocoupler Isolation Board (5pcs), EL817 1 Channel Opto PNP NPN Signal Converter, Isolator High-Level Trigger 80KHz : Electronics](https://m.media-amazon.com/images/S/aplus-seller-content-images-us-east-1/ATVPDKIKX0DER/A243HB0NZWY05K/cc2a8d90-8515-40a2-85b9-e7f93e68758e._CR0,0,970,300_PT0_SX970__.jpg)
Amazon.com: Icstation 12V Optocoupler Isolation Board (5pcs), EL817 1 Channel Opto PNP NPN Signal Converter, Isolator High-Level Trigger 80KHz : Electronics
![Optocoupler Insulation Module, 8-Channel Optocoupler Insulation Board DC 12V-24V PNP NPN Low High Level Output Signal Converter : Amazon.de: Business, Industry & Science Optocoupler Insulation Module, 8-Channel Optocoupler Insulation Board DC 12V-24V PNP NPN Low High Level Output Signal Converter : Amazon.de: Business, Industry & Science](https://m.media-amazon.com/images/I/61zWoMEsEZL._SX342_.jpg)
Optocoupler Insulation Module, 8-Channel Optocoupler Insulation Board DC 12V-24V PNP NPN Low High Level Output Signal Converter : Amazon.de: Business, Industry & Science
![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 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](https://m.media-amazon.com/images/I/81z1bAmV2NL._AC_SS450_.jpg)
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
![Walfront Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler (12V) : Amazon.de: DIY & Tools Walfront Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler (12V) : Amazon.de: DIY & Tools](https://m.media-amazon.com/images/I/61BVaHNwp3L._AC_SL1001_.jpg)
Walfront Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler (12V) : Amazon.de: DIY & Tools
![Optokoppler-Isolationsplatte, 12V bis 5V, 4-Kanal-Spannungswandler, isoliertes Modul, SPS-Signalpegelplatine : Amazon.de: Elektronik & Foto Optokoppler-Isolationsplatte, 12V bis 5V, 4-Kanal-Spannungswandler, isoliertes Modul, SPS-Signalpegelplatine : Amazon.de: Elektronik & Foto](https://m.media-amazon.com/images/I/61EtX6RCYcL._SL1000_.jpg)
Optokoppler-Isolationsplatte, 12V bis 5V, 4-Kanal-Spannungswandler, isoliertes Modul, SPS-Signalpegelplatine : Amazon.de: Elektronik & Foto
![Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products](https://m.media-amazon.com/images/I/716HfHAT+ZL._AC_SX466_.jpg)
Amazon.com: SH-CHEN 5pcs 12V to 5V 4 Channel Isolation Optocoupler Board Isolated Module PNP Output PLC Signal Voltage Level Converter Scientific Experiment Module : Office Products
![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 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](https://m.media-amazon.com/images/I/71rOVzcwzIL._AC_SY355_.jpg)
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
![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 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](https://m.media-amazon.com/images/I/81LQH0RZS8L._AC_SS450_.jpg)
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
![5V / 12V / 24V 4-Kanal-Relaismodul £¬ Optokoppler-Relaismodul Board High & Low-Trigger f¨¹r Arduino(12V) : Amazon.de: Gewerbe, Industrie & Wissenschaft 5V / 12V / 24V 4-Kanal-Relaismodul £¬ Optokoppler-Relaismodul Board High & Low-Trigger f¨¹r Arduino(12V) : Amazon.de: Gewerbe, Industrie & Wissenschaft](https://m.media-amazon.com/images/I/61WyuyQd6ML._SX342_.jpg)
5V / 12V / 24V 4-Kanal-Relaismodul £¬ Optokoppler-Relaismodul Board High & Low-Trigger f¨¹r Arduino(12V) : Amazon.de: Gewerbe, Industrie & Wissenschaft
![4 Kanal Optokoppler Isolator PLC Signalpegel Spannungswandler Modul 3,3 V bis 24 V / 5 V bis 24 V / 12 V bis 3,3 V / 24 V bis 3,3 V / 24 V bis 5 V: Amazon.de: Gewerbe, Industrie & Wissenschaft 4 Kanal Optokoppler Isolator PLC Signalpegel Spannungswandler Modul 3,3 V bis 24 V / 5 V bis 24 V / 12 V bis 3,3 V / 24 V bis 3,3 V / 24 V bis 5 V: Amazon.de: Gewerbe, Industrie & Wissenschaft](https://m.media-amazon.com/images/I/71IhRV7CH0L._AC_SY355_.jpg)