HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

Can set high or low level trigger with jumper, to meet the demand of more trigger applications; With patch optical isolation, strong drive ability and

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with Opto Isolation High Low Level Trigger

HiLetgo 2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Sto

Configurable Active High or Low Relay Module, with opto-isolated input

【Control Devices】The 2-channel relay module uses genuine high quality DC12V relay and SMD opto-isolator supporting high/low level trigger, widely

[2-Pack] DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger

HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V

Maximum load: AC 250V/10A, DC30V/10A SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA Each channel module

2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board

CenryKay DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V(6PCS) - Yahoo Shopping

Can set high or low level trigger with jumper, to meet the demand of more trigger applications; With patch optical isolation, strong drive ability and

HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V : Industrial & Scientific

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