5V Low Level Trigger One Two Four Eight 1 2 4 8 Channel Relay Module Interface Board PIC AVR DSP ARM MCU Shield For Arduino

KY-019 5V One 1 Channel Relay Module Board Shield for PIC AVR DSP ARM for Arduino Relay

JQC3F-05VDC-C KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM for Arduino

5pcs 5V Single 1 Channel Relay Module Board Shield For Arduino For Raspberry Pi

1 Channel 5V 12V Relay Module with Optical Coupling Isolation Relay MCU Expansion Board High / Level Trigger

Single 3V Relay Isolated Drive Control Module High Level Drive Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Relay Board

1 Relay Module Device Electronic Control Accessories Without Optocoupler Blackboard 3.3V

1 Channel Bistable Self Locking Trigger Board Button MCU Low Level Relay Module 12V

1 Channel 10A Relay Module High Level Effective Single-chip Extension Relay

6-24V Flip-Flop Latch Relay Bistable Self-locking Low Pulse Trigger Module

1 Relay Module Device Electronic Control Accessories Without Optocoupler 3.3V

1 CH DC5V Flip Flop Latch Relay Module Bistable Self Locking Switch Low Pulse Trigger Board

New 5V/12V Single-Channel Low-Level Trigger Relay Module

1 Channel Optocoupler Relay Module Board High & Low Trigger 12V

DC 5V 12V 24V 30A High Power 1-Channel Relay Module With Optocoupler H/L Level Triger For Arduino Mega AVR PIC DSP ARM

XH-M131 Light Automatic Control Module 5V/12V Light Control Relay 10A Light Switch Photosensitive Resistor Module

Relay High Level Driver Module Single 3V Isolated Drive Control Board Electronic Component

Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

12V Stable LDR Photoresistor Relay Module Controler Light Sensor Switch

12V Stable LDR Photoresistor Relay Module Controler Light Sensor Switch