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NOYITO 1 Channel Relay Module with Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack of 3) (5V, Red): Amazon.com: Industrial & Scientific
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Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
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2 Channel Relay Module Relay Board Expansion Board with Optocoupler Isolation High and Low Level Triggerfor 5V/12V/24V(24V): Amazon.com: Industrial & Scientific
Amazon.com: YWBL-WH Adjustable Cycle Timer Delay Module, DC 5V 12V 24V On/Off Switch Relay Module for Machine Repetitive Test : Industrial & Scientific
Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Tools & Home Improvement
Amazon.com: MELIFE 5 Pack 5V Relay Module 5V with Indicator LED Light 1 Channel Relay Module for ARM PIC AVR MCU : Electronics
5V 12V 24V 1 Channel DC Relay Module Solid State Low Level SSR Relay (5V): Amazon.com: Industrial & Scientific
Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC.: Amazon.com: Industrial & Scientific
5V DC Delay Relay Delay with Timer Turn on/Delay Turn Off Switch Module (5V) - - Amazon.com
Amazon.com: HiLetgo 5V 1 Channel Self Locking Bistable One Button Start/Stop Self-Locking Relay Module Relay Switch for MCU Control : Industrial & Scientific
