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
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
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