1/2/4/8 Channel Relay Module Boards Shields DC 5/12/24V for Home Smart Control
2,89 €
This feature ensures the system remains secure and prevents accidental malfunctions. Style: 2 Channel 5v High Low Level Trigger Relay Module. Optocoupler Isolation: The high and low level relay module utilizes optocoupler isolation, providing increased stability and preventing interference between the input and output signals.
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