Tanbupu 3PCS Relay Module 5V DC 1 Channel Relay Switch Board with OPTO-Isolated High Or Low Level Trigger Board for Arduino X-002-1-5VDC: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
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: Qunqi 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi (2channel-4pc) : Electronics
Amazon.com: 1 PCS NE555 Timer Switch Adjustable Module Time Delay Relay Module DC 5V Delay Relay Shield : Electronics
![Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/71NNkhe7-5L._AC_UF894,1000_QL80_.jpg "Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific")
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
Amazon.com: 2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board : Industrial & Scientific
PLC Relay,6.2 mm Ultra-Thin PLC Interface Relay Module,5VDC Input 6A Output Electromagnetic Contact TS35 Din-Rail Interface Relay Board Protection Circuit: Amazon.com: Industrial & Scientific
OCTSEPCY 5pcs 5V Relay Module 1 Channel with Optocoupler Isolation High/Low Level Trigger for ESP32, ESP8266, Raspberry Pi: Amazon.com: Industrial & Scientific
Amazon.com: 12Pcs 5V DC Mini Power Relay Auto PCB Relay SRD-05VDC-SL-C Power Relay 5 Pins DC Power Relay PCB Mount Electric Relay for Universal Household Appliance : Automotive
Amazon.com: Teyleten Robot 1 Channel 5V Relay Module Board Shield Relay Board Ky-019 for PIC AVR DSP ARM Arduino 10pcs : Electronics
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial
5V DC Delay Relay Turn on/Turn Off Module, Delay Relay Delay with Timer Turn on/Delay Turn Off Switch Module (5V) - - Amazon.com
Amazon.com: 5V 1 2 4 8 Channel Relay Module with optocoupler. Relay Output 1 2 4 8 Way Relay Module for arduino in Stock (1 Channel Relay) : Industrial & Scientific
Amazon.com: Relay Module 5V 4 Channel Flip Flop Latch Relay Bistable Self Locking Relay Module for Controlling DC Motors Solenoid Valves : Electronics
Amazon.com: AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger : Automotive
Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
YWBL-WH Relay Module One Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level Trigger YYG-2(5VDC): Amazon.com: Industrial & Scientific
1 Channel Relay Module Interface Board Shield for Arduino 5V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V: Amazon.com: Industrial & Scientific
Finder 34.51.7.005.0010 SPDT 6A, 5V DC Coil, AgNi Contact, Slim Electromechanical PCB Relay: Amazon.com: Industrial & Scientific
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
Amazon.com: KNACRO 1-Channel 30A High Current 5V Contactor Relay Switch Power Switch DC Power Switching Control Board Module Electrical Relay switches for Cooler Heater Refit Water Heater Control (DC 5V) : Electronics
