YWBL-WH 4 Channel Relay Module,Low Level Trigger Relay Module with Optocoupler 5V/12V/24V(Optional)(24V), Relay: Amazon.com: Industrial & Scientific
Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 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
SainSmart 4-Channel 5V Relay Module for Arduino Raspberry Pi – SainSmart.com
JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: 4 Channel Relay Module : Automotive
2Pcs DC 5V 4 Channel Relay Module Board Shield with Optocoupler Isolation Suport High/Low Level Trigger Relay : Patio, Lawn & Garden
ANMBEST 10PCS 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
Amazon.com: SainSmart 4-Channel Relay Module : Electronics
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
8 Channel Relay Module, VISLONE IR23F08 8 Channel Multi-Function Infrared Remote Control Relay Module - - Amazon.com
Excelity 5V Relay Module Single Channel DC for DSP AVR PIC ARM DIY Development- 4 Packs - - Amazon.com
4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
Amazon.com: DZS Elec 2-Pack 5V 4-Channel Relay Module with Optocoupler Active Low Level Amplifier Trigger JD-VCC Relay Power VCC Power : Electronics
Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi - - Amazon.com
ELECTRONICS-SALON DPDT Signal Relay Module, 12Vdc, RY12W-K Relay. Has Assembled.: 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: Tools & Home Improvement
ZYAMY DC 5V 4 Channel Relay Module for Home Intelligent Control and PLC Control with Optocoupler 5V Low Level Trigger Extension Board: Amazon.com: Industrial & Scientific
Amazon.com: SainSmart 4-Channel Relay Module : Electronics
Velleman VMA400 4 Channel Relay Module: Amazon.com: Industrial & Scientific
