Amazon.com: WWZMDiB【1Pcs, 12V, 1 Channel, Relay Board】Relay Module 1/2/4/6/8/16 Channel 5V 12V 24V with Optocoupler Isolation Support High and Low Level Trigger : Electronics
Amazon.com: Trigger Module, 5V/12V 2 Channel Relay Module with Optocoupler Isolation High&Low Level Trigger Relay Extension Board(5V) : Industrial & Scientific
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
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
Amazon.com: Stable 5V/12V/24V 5mA Four mounting Screw Holes High Low Trigger optocoupler 1channel Relay Module Board for Industrial Electrical Circuits(24V) : Industrial & Scientific
Amazon.com: 5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay) : Industrial & Scientific
Amazon.com: MakerHawk Time Delay Relay, 12V 5V USB Relay Module 6-30V Delay Controller Board Delay-Off Cycle Timer Control Switch with LCD Display Support Micro USB 5V Power Supply : Tools & Home
Solid State Relay Module, 1-Channel DC 5/12V High Level Trigger Solid State Relay Module 250VAC 2A Output with Fuse (5V): Amazon.com: Industrial & Scientific
5V/12V/24V Relay Module,1 Channel Optocoupler Relay Module Board High & Low Trigger (5V): Amazon.com: Industrial & Scientific
5V DC Delay Relay Delay with Timer Turn on/Delay Turn Off Switch Module (5V) - - Amazon.com
5V/12V/24V 8 Channel Optocoupler Relay Module Board with High/Low and Trigger Power Indicator Light(24V): Amazon.com: Industrial & Scientific
Amazon.com: QIAONAI sh84 50pcs 5V/12V/24V Low Level Trigger 1 Channel Relay Module Interface Board Shield for PIC AVR DSP ARM MCU Integrated Circuit (Color : 24V) : Industrial & Scientific
Amazon.com: Acxico 1Pcs 3-32V DC 1-Channel SSR Solid State Relay High-Low Trigger 5A 5V 12V for Arduino : Industrial & Scientific
Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC.: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 5V 1 Channel Self Locking Bistable One Button Start/Stop Self-Locking Relay Module Relay Switch for MCU Control : Industrial & Scientific
2 Channel Relay Module Relay Board Expansion Board with Optocoupler Isolation High and Low Level Triggerfor 5V/12V/24V(24V): Amazon.com: Industrial & Scientific
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
Amazon.com: MELIFE 5 Pack 5V Relay Module 5V with Indicator LED Light 1 Channel Relay Module for ARM PIC AVR MCU : Electronics
NOYITO 8-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control Industrial Control (8 Channel 12V): Amazon.com: Industrial & Scientific
NOYITO 4-Channel Relay Module DC 5V 12V 24V Self-Locking Triggering Interlocking High Low Level Trigger for PLC Industrial Control (12V): Amazon.com: 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: 2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board : Industrial & Scientific
Amazon.com: HiLetgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High or Low Level Trigger : Industrial & Scientific
Amazon.com: WMYCONGCONG 5 PCS 12V 2 Channel Relay Module with Optocoupler Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
ZYAMY 2 Channel 12V Red Board Relay Module with Optocoupler Isolation Supports High and Low Level Trigger for SCM Household Appliance Control: Amazon.com: Industrial & Scientific
NOYITO 4-Channel Relay Module 5V 12V 24V High Low Level Trigger with Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 5V, Red): Amazon.com: Industrial & Scientific
