Optocoupler Isolation Board Voltage Converter 24V to 5V/12V to 24V/5V to 24V 4 Channel Isolated Module PLC Signal Level Board - SINONING- Electronics DIY Accessories Store
12v 2-channel Relay Module With Isolated Optocoupler High And Low Level H Level Trigger Module Triggered By 12v - Temu
2 Bit 12V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Dual Relay Module - 2-Channel Relay - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
New 1-Channel H/L Level Triger Optocoupler Relay Module for Arduino 12V | eBay
12V Relay Module | ZERO Electric Scooters
5v/12v 1/2/4/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output X Way For Arduino - Temu
Ymiko Trigger Switch Module, 5V/12V Optocoupler Isolation Relay Module, Home Appliances For Measuring Instruments Industrial Equipment Communication Equipment - Walmart.com
10Pcs 1 Channel Optocoupler Isolation Module 12V PC817 EL817 Photoelectric 1 Way Opto PNP NPN Signal Converter Rail Holder PLC Drive Motor Board: Amazon.com: Industrial & Scientific
NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V (Pack of 2) (3-5V): Amazon.com: Industrial & Scientific